Airhead 4k Towable Booster Ball and Tow RopeThe Airhead 4K Towable Booster Ball is a 60' line that is designed to keep the tow rope out of the water. Keeping the line out of the water and wake provides for a better overall performance. The Booster Ball is made of 840 Denier nylon cover with a heavy gauge PVC bladder. The stress points are reinforced with double stitching and includes a self bailing drain vent. Designed for use with 1 - 4 person boat tubes.Enhancements: Lessens stress on tube and cover; Great for low transom tow points; Reduces rope spray; Tow Rope is less likely to get caught in water or boat wake; Reduces drag and acts like a shock absorber; Enhances Fuel economy; Higher visibility of tow rope in water; Features: 60' (including Booster Ball); 4K Tow Rope has 4100 lbs. Break Strength; Designed for 1-4 Person Tubes; Double Stitching; Self bailing drain vent;