POCKETSEAT Inflatable Seat Cushion, Yellow, 13x10x1.5" PERFECT SIZE for CHAIR OR BLEACHER BENCH - 13x10x1.5" MAKES ALL HARD SURFACES COMFORTABLE MORE COMFORTABLE THAN ANY OTHER SEAT CUSHION PROTECTS FROM COLD, WET, DIRTY BLEACHER AND STADIUM SEATS CARRY IT IN YOUR POCKET, PURSE OR BACKPACK