Big Mable Towable Tube Popular inflatable towable has been redesigned, with new features including improved backrest and air cushioned side walls Dual tow points at front and back; unique backrest and front riser construction Heavy-duty, full nylon cover with zipper; patented Aluminum Quick Connect tow point and Speed Safety Valve EVA foam pads throughout; multiple grab handles with knuckle guards 1-2 rider, 69 in. x 66 in. (deflated) 66 in. x 60 in. (inflated).Maximum weight of riders :170 pounds for 1 rider and 340 pounds for 2 riders