| Inbox Zero M Lightweight Stackable Sturdy Breakroom Chair Plastic/Acrylic/Metal in Red | 30 H x 20 W... The "M" stack chair offers durability, style, and value. This sturdy, lightweight stack chair is ideal for cafeterias, lunch rooms, and break rooms and is available in Blue, Black, Burgundy, and Grey finishes. Its black metal frame and ... more | Wayfair | $552.00 $295.99 FREE shipping go to store |