【Strong Bottom】The inflatable snow tube is 0., 55mm bottom thickness,thicker and more durable. Not only skiing in winter snow but also pool float in summer. The down of the bottom is very smooth,help to Skiing fast. Heavy-Duty Snow Tube, 47 Snow Sled With Premium Canvas Cover For Adults Towable Inflatable Sledding Tube With Thickened Bottom Winter Outdoor Fun SULDUO 47''Heavy Duty Snow Tube with Premium Canvas Cover and 4 Foam Filled Handles,Inflatable Snow Sled for Kids and Adult,Thickened Hard Bottom Snow Tubes for Winter Outdoor Fun Sledding : Sports & Outdoors About this item INNOVATIVE 4-HANDLE 【Heavy Duty】Inflatable snow tube is made of tear-resistant and cold-resistant PVC material iner tube and scratch abrasion-resistant canvas wrapped around the outer layer. Withstand a maximum of -25 degrees. 【Nice Gift】The inflatable snow sleds are the perfect Christmas or birthday gift for kids, family or friends. 47 Inches Snow Tube with Canvas Cover,Inflatable Heavy Duty Snow Sled for Kids and Adults,Thickened Hard Bottom with Towable Pull Ring,Sledding Fun Winter Toys for Outdoor Sports When deflating, it can be folded into the size of a book for easy storage and carrying, perfect for a trip! Heavy Duty]Inflatable snow tube is made of tear-resistant and cold-resistant PVC material iner tube and scratch abrasion-resistant canvas wrapped around the outer layer. : SULDUO 47''Heavy Duty Snow Tube with Premium...Heavy-Duty Canvas Snow Tube (air pump is not included) Snow Board CALO 34 Heavy Duty Snow Tube Sled For Kids And Adults - Big Inflatable Snow Tube For Outdoor Sledding For Boys Girls Red And Blue 47 Inch Snow Tube With Canvas Cover Towable