Hole Shot Towable Tube Full Throttle's Hole Shot is fun - filled glide across the water The 54 - in diameter tube is designed for one rider. It features a heavy - duty tube material for durability and a softer ride with a nylon cover that extends the tube's life and resists punctures. A two - way Boston valve allows easy inflation and deflation. The E - Z Connect towing harness allows for convenient hook - up and better pull. Features 54 - in diameter, 1 rider tube for a fun - filled glide across the water Heavy - duty tube material for durability and a softer ride Nylon cover extends tube life and resists punctures 2 - way Boston valve for easy inflation and deflation E - Z Connect towing harness allows for convenient hook - up and better pull , Full Throttle Hole Shot Towable Tube