Attributes . COMFORTABLE: A curved back and waterfall seat edge make for a more comfortable seat for any user. Chair supports up to 400lbs. CLIP TOGETHER: The notched feet at the bottom of the base are designed to fasten one chair to another when setting up classrooms, training rooms, any room with row seating. VERSATILE AND EASY TO USE: At just 12 pounds each, the Eris is lightweight and easy to move around. Store away in stacks of 25 to maximize storage space.. Seat Height: 17" from floor, Seat Dimensions: 17"W x 17"D, Back Dimensions: 18"W x 10"H, Back Height: 13" from seat . Names