ELR-2193-ASG Foot Type: Swivel Glide Features: -Stack chair.-Available in Ball and Swivel glides.-Molded seat with vented back.-Reinforced ribbing in back and under seat for strength, steel legs with steel lower back support.-Composite ball glides for durability and protection on hard floors and carpet.-No penetration of screws through the seat surface.-Greenguard certified. Dimensions: -Dimensions: 24"-26.25" H x 17.5" W x 18" D.