57 diameter cover allows for 100% full inflation of the Intex river run tube you put inside, even after initial exposure to sun. Heavy Duty River Run Tube with Cover (6 Pack) | Floating Lounger... **Durable Construction**: - The 1000 denier Micro Mesh bottom allows water to pass through while offering excellent abrasion resistance. Measures about 50 inches accross when inflated. **Inflation Tip**: To ensure a secure fit, fully inflate your river tube inside the cover, eliminating slack for a firm, tight fit. River outfitters combine this item with Intex river tubes to create the best river tubes available! 1000 denier micro mesh bottom lets water pass through while providing superior protection against abrasion by rocks, tree branches, and other debris. River Run tubes sold separately. Made in USA by Bradley Sport, these tube covers are designed to turn your ordinary Intex River Run pool tube into a tough, heavy duty rafting tube for adults and kids Heavy Duty Construction made for river outfitters. - The 1100 denier vinyl-coated canvas top adds extra durability for long-lasting use. With a 57 diameter, it ensures your 53 river tube stays fully inflated, even after sun exposure. Crafted with sterling silver, rhodium plated, stamped 925, nickel free. Set with premium quality 2.1 carat (8.5mm x 6.5mm) emerald cut cubic zirconia in 4-prong setting Under inflating your tube will make for poor performance in the river. Top 10 Heavy Duty River Tube of 2022 Note: Be sure to fully inflate Intex River Run Tube inside cover until both tube and cover are are firm and all excess slack is eliminated. River Run Tubes For Floating Badley Ive Un Tube Cove; Compatibile With Intex Ive Run Tubes Convert Pool Tube Heavy Duty Rafting Tubes Fits Inflatable 53 Inch River Float Tubes%2f1502848395 River Raft