Introduce young kids to proper seating to prepare them as they advance in their academics. This shell stack chair is ergonomic and recommended for kindergarten through 2nd grade. Ergonomic shell seat with vented back, black powder coated frame, plastic floor glides Design: stacks up to 15 high, comes fully assembled to use right away Ideal environments: classroom, homeschool, library, recreation centers PRODUCT MEASUREMENTS: Overall Size: 15.25"W x 19.25"D x 24.5"H; Seat Size: 13"W x 12.5"D x 13.5"H; Back Size: 13"W x 13"H; No Assembly Required