About this item High Quality Material: Meets US Toy Standards. Safety Test Approved. The Inflatable Snow Tube are made of PVC material, high quality and more durable. The hard bottom is made of 0.6mm with 2 Layer thicker Layer material, heavy duty and more wearable, sliding faster with the special coating. 51'' Snow Sled: The Inflatable Husky Snow Sled is 51 inch larger size, bring more space for holding riders, enough space easily support 2 children or 1 adults, Max support weight 220LB,. Perfect for kids and adults skiing. Unique Design: Our Winter Snow Tube with 3D design, easy to grip. The features are Double Inflatable Ports, Durable Sturdy Handles, Thicker Material and 2 Layer Thick Bottom. The unique Husky coverage differs from much of competitions, you can ski with your friends Husky. Two Layer Bottoms Snow Tube - Upgraded with two-layer bottom thickening design with a thickness of 0.6mm, which is resistant to wear, Friction smaller, sliding faster. They can be a great family activity and add fun to your family and friends. Sturdy Handles and Fast Inflation with Double Air Valve. Use the three-in-one inflation valve to easily complete inflatio The double lock valve ensures tightness.