Breathe new life into your towable with the TRL Watersports 2-Rider Big Mable Style Replacement Innertube Backrest. Don't spoil summer vacation by having your favorite towable fall flat. Carry an affordable spare with you and be ready for more fun in a flash! This replacement innertube boasts heavy-duty PVC construction–12 to 15% thicker than any original or replacement tube on the market. Double-welded seams further increase durability. Rely on the super speed valve for easy inflation and deflation. This TRL Watersports replacement innertube backrest fits the Big Mable and Airhead Pit Stop 2-person towable tubes. Please note the position of the inflation valve in the picture and ensure it is compatible with your backrest. You may need to fill via a flexible hose if your existing valve cover does not align properly. Innertube only; does not include cover.

• Heavy-duty PVC construction
• 12-15% thicker than the competition
• Double-welded seams increase durability
• Super speed valve for easy inflation and deflation
• Includes backrest bladder
• Fits Big Mable and Airhead Pit Stop 2-person towable tubes