The heavy-duty construction of the GoSports Duratube Heavy-Duty Tire Tube makes the 44-diameter reinforced tire tube perfect for recreational use in snow and water. You can enjoy old fashioned fun with friends and family at the sledding hills with classic commercial-grade construction. This snow tube is also great for summer water tubing at the lake, river and more. This premium puncture-resistant tube delivers maximum fun. Tube can be filled with any air compressor (recommended) or bike pump. This water tube from GoSports features a short no poke inflation valve that works with any standard tire pump and is designed to stay out of your way for maximum comfort. Max Wt. Cap.: 250 lbs. Perfect for sliding in the snow and tubing at the lake Commercial-grade construction Inflates with any standard tire pump Puncture-resistant