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Twin XL Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 80 H x 38 W 11 D in Wayfair 42952431

This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with an ultra firm feel. A reinforced edge improves durability, while cover treatments help to keep you cool,... more

Twin XL Waterbed Mattress - Strobel Winners Nyquist K-Rail No Cover Complete Set 25" Waveless Deep fill Soft-side Mattress, | 25 H x 38 W 80 D Wayfair

Strobel’s super-premium and the best softside waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature their Feathertop... more

Twin XL Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top & Box Spring Set | 80 H x 38 W 15 D in Wayfair 42953631

This Euro Pillow Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep... more

Twin XL Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 80 H x 38 W 12.5 D in Wayfair 42952631

This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

Twin XL Medium 13" Innerspring Mattress - Sealy Posturepedic Mill Road Faux Euro Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42951531

An upgraded faux Euro top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Medium... more

Twin XL Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 80 H x 38 W 12.5 D in Wayfair 42952531

This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

Twin XL Waterbed Mattress - Strobel Winners Chrarismatic K-Rail 1.5-in Pillowtop Complete Set 28" Waveless Deep fill Soft-side | 28 H x 38 W 80 D Wayfair

Strobel’s super-premium and we think the best softside waterbed on the market has our Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature our... more

Twin XL Medium 13" Innerspring Mattress - Sealy Posturepedic Mill Road Faux Euro Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42951631

An upgraded faux Euro top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Medium... more

Twin XL 13" Foam Mattress - Sealy Essentials Oak Street Plush Pillow Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42950331

A step-up in the Essentials Collection, this Euro Pillow Top mattress features more Response Open Coils for adaptive support, additional layers of comfort foam, and a reinforced mattress edge for increased durability. It’s a great value mattress for a... more

Twin XL Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top & Box Spring Set | 80 H x 38 W 15 D in Wayfair 42953531

This Euro Pillow Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep... more

Twin XL 13" Foam Mattress - Sealy Essentials Oak Street Plush Pillow Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42950431

A step-up in the Essentials Collection, this Euro Pillow Top mattress features more Response Open Coils for adaptive support, additional layers of comfort foam, and a reinforced mattress edge for increased durability. It’s a great value mattress for a... more

Twin XL Memory Foam Mattress - Strobel Winners Citation 3-in Pillowtop Complete Set 30" Waveless Shallow fill Soft-side Waterbed | 30 H x 38 W 80 D Wayfair

Strobel’s shallow fill soft sides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from Soy based foam and engineered... more

Twin XL Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42952031

An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected.... more

Twin XL Firm 14" Innerspring Mattress - Sealy Posturepedic Mill Park Faux Euro Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42952931

This Faux Euro Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a firm feel. A reinforced edge improves durability, while cover treatments help to keep you... more

Twin XL Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42950831

An upgraded spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Firm feel. Box Spring... more

Twin XL Memory Foam Mattress - Strobel Winners Citation 3-in Pillowtop Complete Set 30" Waveless Shallow fill Soft-side Waterbed | 30 H x 38 W 80 D Wayfair

Strobel’s shallow fill soft sides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from Soy based foam and engineered... more

Twin XL Waterbed Mattress - Strobel Winners Applo Cotton Cover Complete Set 26" Waveless Shallow fill Soft-side in Brown | 26 H x 38 W 80 D Wayfair

Strobel’s shallow fill softsides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from soy based foam and engineered... more

Twin XL Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42950531

Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium feel. Box Spring Height: 9, Mattress... more

Twin XL Waterbed Mattress - Strobel Winners Ponder 2.5-in Pillowtop Complete Set 29" Waveless Shallow fill Soft-side | 29 H x 38 W 80 D Wayfair

Strobel’s shallow fill softsides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from Soy based foam and engineered... more

Twin XL 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42951231

An upgraded spring mattress with motion-reducing encased coils targeted back and core support and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool and your mattress protected. Soft feel. Box Spring... more

Twin XL Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 80 H x 38 W 11 D in Wayfair 42952331

This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with an ultra firm feel. A reinforced edge improves durability, while cover treatments help to keep you cool,... more

Twin XL Waterbed Mattress - Strobel Winners Funy Cide No Cover Complete Set 25" Waveless Shallow Fill Soft-side in Brown | 25 H x 38 W 80 D Wayfair

Strobel’s shallow fills soft sides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric-covered and made from soy-based foam and engineered... more

Twin XL Waterbed Mattress - Strobel Winners Ponder 2.5-in Pillowtop Complete Set 29" Waveless Shallow fill Soft-side | 29 H x 38 W 80 D Wayfair

Strobel’s shallow fill softsides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from Soy based foam and engineered... more

Twin XL Waterbed Mattress - Strobel Winners Montrose 1.5-in Pillowtop Complete Set 28" Waveless Shallow fill Soft-side | 28 H x 38 W 80 D Wayfair

Strobel’s shallow fill softsides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from Soy based foam and engineered... more

Twin XL Waterbed Mattress - Strobel Winners Nyquist K-Rail No Cover Complete Set 25" Waveless Deep fill Soft-side Mattress, | 25 H x 38 W 80 D Wayfair

Strobel’s super-premium and the best softside waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature their Feathertop... more

Twin XL Firm 10" Innerspring Mattress - Sealy Essentials Osage Tight Top & Box Spring Set | 80 H x 38 W 10 D in Wayfair 42875631

Perfect for guest beds, spare beds, and kids’ rooms, this spring mattress with a firm feel features response open coils and a SealySupport gel foam layer for an on-the-bed feeling. It’s a great night’s sleep at an affordable price. Box Spring Height:... more

Twin XL Waterbed Mattress - Strobel Winners Chrarismatic K-Rail 1.5-in Pillowtop Complete Set 28" Waveless Deep fill Soft-side | 28 H x 38 W 80 D Wayfair

Strobel’s super-premium and we think the best softside waterbed on the market has our Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature our... more

Twin XL Waterbed Mattress - Strobel Winners Applo Cotton Cover Complete Set 26" Waveless Shallow fill Soft-side in Brown | 26 H x 38 W 80 D Wayfair

Strobel’s shallow fill softsides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from soy based foam and engineered... more

Twin XL Waterbed Mattress - Strobel Winners Sea Hero K-Rail Cotton Cover Complete Set 26" Waveless Deep fill Soft-side | 26 H x 38 W 80 D Wayfair

Strobel’s super-premium and the best softside waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature their Feathertop... more

Twin XL Memory Foam Mattress - Strobel Winners Bold Venture K-Rail 3-in Pillowtop Complete Set 30" Waveless Deep fill Soft-side Waterbed | 30 H x 38 W 80 D Wayfair

Strobel’s super-premium and Strobel think the best softside waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature... more

Twin XL Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42951931

An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected.... more

Twin XL Firm 10" Innerspring Mattress - Sealy Essentials Osage Tight Top & Box Spring Set | 80 H x 38 W 10 D in Wayfair 42875731

Perfect for guest beds, spare beds, and kids’ rooms, this spring mattress with a firm feel features response open coils and a SealySupport gel foam layer for an on-the-bed feeling. It’s a great night’s sleep at an affordable price. Box Spring Height:... more

Twin XL Waterbed Mattress - Strobel Winners Strike the Gold K-Rail 2.5-in Pillowtop Complete Set 29" Waveless Deep fill Soft-side | 29 H x 38 W 80 D Wayfair

Strobel’s super-premium and Strobel think the best softside waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature... more

Twin XL Firm 14" Innerspring Mattress - Sealy Posturepedic Mill Park Faux Euro Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42953031

This Faux Euro Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a firm feel. A reinforced edge improves durability, while cover treatments help to keep you... more

Twin XL Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42950731

An upgraded spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Firm feel. Box Spring... more

Twin XL Waterbed Mattress - Strobel Winners Sea Hero K-Rail Cotton Cover Complete Set 26" Waveless Deep fill Soft-side | 26 H x 38 W 80 D Wayfair

Strobel’s super-premium and the best softside waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature their Feathertop... more

Twin XL Waterbed Mattress - Strobel Winners Street Sense 3-in Latex Pillowtop Complete Set 30" Waveless Shallow fill Soft-side | 30 H x 38 W 80 D Wayfair

Strobel’s shallow fill soft sides feature water tube systems. These tubes can be taken to the sink to be filled or drained and give more flexibility for moving the bed. Inner support rails are fabric covered and made from Soy based foam and engineered... more

Twin XL Firm 12" Gel/Foam Mattress - Gel Memory Foam & Box Spring ComforPedic Loft from Beautyrest | 80 H x 38 W 12 D in Wayfair 35602-04773-WFS

Elevate your sleep experience with the Comforpedic Loft from the Beautyrest gel memory foam mattress set. This upscale gel memory foam mattress provides three layers of support for a luxuriously comfortable sleeping experience. The gel memory foam... more