600x600D poly/pvc fabric. 7 Velcro straps for easy attachment to ATV racks. 3′ open cell foam for riding comfort. in. closed cell foam on base for shock absorption. Great pad for dogs, sporting events, fishing boats etc. Reduces shock and discomfort from ATV racks. Easily folds in half for storage or to double the cushioning effect. 36′ l x15′ w x3′ h.