HEAVY-DUTY CONSTRUCTION: Ultra durable 44 inch diameter reinforced tire tube for recreational use in snow and water, great for any season; maximum rider weight 250 lbs SNOW TUBING: Enjoy old fashioned fun with friends and family at the sledding hills with classic commercial grade construction WATER TUBING: Also great for summer water tubing at the lake, river and more, premium puncture resistant tube for maximum fun EASY INFLATION: Tube can be filled with any air compressor (recommended) or bike pump COMFORTABLE RIDE: 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