Description: Military-grade materials are thickened and no longer cracked, and the solid joint snow tube is made of environmentally friendly materials. It has an ultra-thick double bottom of 0.8 mm. The heavy-duty snow tube adopts high-temperature welding technology and is tear-resistant. The ultra-thick material makes the bottom and sides have higher wear resistance. Prevent the inflatable snow tube from jumping suddenly on the bumpy gravel snow field. The unique style of the snow tube is different from other styles on the market. We upgraded the backrest design. You can lie on the ski ring or hug the ski ring. It can provide comfort in the game. Very interesting skiing experience. The 40-inch extra-large snow tube is designed to upgrade the large snow tube for children and adults. The sled tube with a diameter of 40 inches can easily support multiple people (parents and children). This inflatable ski can withstand heavy loads of up to 650 pounds. It will take your friends and family to enjoy the fun of the snow tube. Safety snow tubes with handles our inflatable snow tube sleds are strictly tested and certified.