DURABLE HARD BOTTOM: The 40 in hard shell puncture resistant base and our commercial grade DuraTube defend against debris, such as rocks and branches SUPERIOR PERFORMANCE: Slicker bottom provides a faster, smoother sledding experience in various snow conditions; Great for smaller hills and easier to tow on flat terrain PREMIUM RED CANVAS COVER: Double stitched with built-in grip handles to fit adults up to 250 pounds COMFORTABLE RIDE: Features a short no poke valve that works with any standard tire pump and is designed to stay out of your way for maximum comfort HAND TOW STRAP INCLUDED: Pull the snow tube with ease for taking the tube back uphill or ferrying the kids around *hand pull only - never to be towed with vehicles*