Thickened PVC material: the inflatable sledge is made of high density PVC material, the bottom is thickened by 0.6 mm, which can maintain elasticity and toughness below -20 degrees, strong and durable. Inflatable snow tube uses 3D sealing technology for good leak-proof function. With Handle & Safety: Inflatable sledge with reinforced handle, suitable for different ages, easy to hold, the bottom is a deep cushion seat, you can get a certain cushioning to ensure your safety when sliding quickly. 47 inch snow hoses: The inflatable diameter is 120 cm/47Inch tall and can hold up to 150 kg, which can easily support parents and children or support two children at the same time, protect you and your children and you and your children enjoy the skiing pleasure. Ultra-fast inflation and deflation valve: The inflatable sledge has a double layer air valve, very easy to deflate and inflate, if you have an electric air pump (not included), it can be filled within a minute, deflated even in seconds. Winter family fun: The inflatable sledge is perfect for driving down the snowy mountains with your family in winter to have family fun, or you can give the inflatable snow tube as a birthday gift, winter gift or Christmas gift to your friends.