Better bundle up because you'll be flying down the hill at top speeds on the FX4 Racing Snowmobile Sled! This massive 50" inflatable snowmobile sled includes built-in grip handles for added safety and control, and the slick bottom construction provides a super-fast, smooth ride! Made of heavy duty, phthalate-free PVC, this snow tube is strong, durable, and cold resistant up to -25 degrees.