GYMAX Floating Water Pad, 9/18 FT x 6 FT Water Foam Mat with Rolling PillowDurable Three layer XPE FoamMade of 1. 5 inches tear resistant & UV resistant 3 layer XPE foam, GYMAX floating water pad will bring you and your family a lot of lake time fun for years to come. Featuring excellent buoyancy, strength and strong weight capacity, the floating mat can keep stable on water. Rolling Pillow Design & Bungee Tether SystemThe rolling pillow (9' Only) gives you comfortable support for head and neck, helping you get fully relaxed