When it comes to crash pads size does matter. The Mad Pad features two different high grade PE foams for increased shock absorption, and is sized so you just can't miss it on the way down. Shoulder straps make for easy carrying and the metal buckles just will not break. When you get tired of bouldering and want to kick back and watch the pad makes into a couch. Get the Mad Pad and be proud of it, we certainly are. NOTE* This item cannot ship internationally, exceeds allowable size Specs: Pad Thickness: 4.75" Open Dimensions: 39" x 46"