Improved backrest and air cushioned side walls. Dual tow points at front and back. Multiple grab handles with knuckle guards. Heavy duty full nylon cover with zipper. Patented aluminum quick connect tow point.Speed safety valve for quick inflation and deflation. EVA foam pads throughout the tube. Tensile weight of tow rope required: 2,375 pounds. Tow rope length required: 50 65 feet. Total user weight capacity: 340 pounds. Deflated: 69 x 66 inches. Inflated: 66 x 60 inches. The item "Sportsstuff Inflatable Big Mable Sitting Double Rider Towable Boat and Lake Tube" is in sale since Monday, July 22, 2019. This item is in the category "Sporting Goods\Water Sports\Wakeboarding & Waterskiing\Tubing & Towables". The seller is "writeawaykjk" and is located in Milwaukee, Wisconsin. This item can be shipped to United States.