Self Inflating Sleeping Pad Click HERE for more information! Hikenture ultra thick camping pad is a game changer whether for camping, car camping or road trips. Our camping mattress with 4 INCH THICK soft foam layer provides just the right amount of support for side, back or stomach sleepers. The polyester surface feels gentle to your skin and makes lowest noise during sleep. Our self-inflating truck bed mattress comes with a patented 2-way valve and makes inflating & deflating a breeze. Just several minutes for it to self inflate and a few bags of air added with the included pump sack, a comfy camping mattress's done. Flip the valve to deflating side and the valve will stop air from getting back to ensure an easier deflation.