SCHOOL CHAIRS: set of 2 durable kids' chairs that stack for easy storage; great for home use or as replacement chairs for class packs SELF-LEVELING GLIDES: non-marring swivel glides feature flexible bearings to automatically level on uneven surfaces COMFORTABLE SEAT: one-piece molded seat shell with a vented back and screwless, no-snag design BUILT TO LAST: meets or exceeds BIFMA standards for safety, durability and structural adequacy in furniture; holds up to 150 lbs SAFE FOR YOUR SPACE: GREENGUARD Gold Certified for limited emissions into indoor air