The GoSports Hard Bottom Snow Tube features a puncture-resistant hard shell bottom with commercial-grade DuraTube to defend against debris. The slick bottom offers a faster and smoother sledding experience, great for sledding hills or towing on flat terrain. The premium canvas cover is double stitched and features built-in grip handles. A short, no-poke inflation valve is ready to accommodate standard tire pumps and is designed to remain out of your way for maximum comfort. Max Wt. Cap.: 250 lbs. Puncture-resistant hard shell bottom Slick for faster sledding action Premium, double-stitched canvas cover Built-in grip handles Compatible with standard bike pump valve