IncStores 5/8" Premium Interlocking Foam Tiles - Ideal for p90x, Insanity, pilates, yoga, other aerobic/cardio work outs, and kids playrooms&hellip; Each foam tile is 2 ft x 2 ft (4 Sqft) Two Detachable edge pieces allows any tile to be a border, corner, or center Our easy do-it-yourself tiles are an excellent protective floor covering Made from non-recycled, non-toxic, light weight and durable High Density Closed Cell EVA Foam Due to the nature of foam products these tiles may fluctuate slightly by color and thickness