ELR-0193-AS Glide: Ball 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: 24"-26.25" H x 17.5" W x 18" D.