Quality Assurance-- This floating water mat is made of 1.5-inch tear-resistant and UV-resistant three-layer environmentally friendly XPE foam, the size is: 9'x 5.2'x 1.5". The maximum support weight: 500lbs. Three-layer Tear-resistant XPE Foam -- Our floating water pad is made up of three layers of tear-proof XPE foam, which is of good quality, does not absorb water and is not easily deformed. This environmentally friendly material is odorless, bouncy, safe, and smooth surface can make you more comfortable. Comfortable experience——Lily Pad has excellent buoyancy and strong load-bearing capacity, is not easy to decompose, odorless, elastic, and can maintain water stability. A safe and smooth surface can make you more comfortable. Rolling Pillow Designed for Relaxation -- Rolled up rolling sleeper design allows to reasonably support your head area and relax your body. You can lie comfortably on top to enjoy life and release stress. It can bring you cool and fun on a hot summer day. Convenient to Roll up and Store -- this floating water pad is lightweight and easy to handle. Two straps are included to help secure the floating pad after rolling up, which is convenient to carry and store. When not need it, you can store it in a small area without taking much room. Water Floating Mat Foam