Airhead Big Bertha Towable 4 Person TubeThe Airhead Big Bertha Tube is a massive 4 person classic action tube. The air cushioned floor and non slip cushioned handles with padded knuckle guards makes for one comfortable ride. Simply slip your tow rope through the Kwik Connect tow system and you're ready to take off, a simple and easy startup. The Big Bertha is designed with a heavy duty nylon cover and PVC heavy gauge bladder for optimal durability. Suitable for up to 4 riders.Features: Up to 4 Riders; Kwik Connect Tow System; 680 lbs Max Capacity; Patented Speed Safety Valve; Non Slip Cushioned Handles; Foam Knuckle Guards; Heavy-Duty Partial Nylon Cover; Heavy-Gauge PVC Bladder; Air Cushioned inflated floor;