The inflatable sled made of environmentally friendly. impact-resistant PVC with a thickness of 0.6 mm. The bottom and side are very tolerant of friction. And tolerate extremely cold temperatures. down to minus 25 degrees.Coated with cold-resistant treatment. to withstand freezing temperatures. For additional safety and an improved experience with snow tubes, this snow tube has two robust operating handles. Lower seats allow you balance and comfort when tobogganingBest Suited for Very Careful Parents Our snow tube is 47 inches in diameter and can easily support two drivers (parents and children) or two children at the same time. Sturdy enough. to carry about 600 pounds. Fast inflation and deflation: The double locking valve takes care of that. that the seal is airtight. Inflating and deflating in a hole is easy. so that no air is released when the lid is closed. When the air is deflated. the large opening is emptied quickly. Enjoy endless fun: Suitable for winter sports such as skiing. Skating and snow games. A perfect gift for any gift occasion and is sure to please snow lovers of all ages.