Product Description BIG BERTHA is a giant classic towable for 1-4 riders, featuring an air cushioned floor, non-slip foam handles with padded knuckle guards and a patented Quick Connect tow system. It’s fast and easy to use, simply slip your tow rope over the patented aluminum Quick Connect and you’re off and tubing. This popular towable comes fully loaded and built extra tough, with a double-stitched partial nylon cover and a heavy-duty K80 PVC bladder. Size: 1-4 rider, 76 in. (deflated) 67 in. (inflated) Amazon.com Get ready for big fun with the Big Bertha towable. This four-person classic-action towable is updated with a host of state-of-the-art features, such as an air-cushioned floor, nonslip cushioned handles with padded knuckle guards, and a fast and easy Quick Connect tow system. Just slip your towrope over the Quick Connect and you're off and tubing. Just as importantly, the Big Bertha is built heavy duty, with a tough partial nylon cover and a heavy-gauge PVC bladder. And with the ability to support up to 680 pounds, you can ride with two or three of your friends, or you can try tackling the Big Bertha by yourself. Other features include reflective safety piping and a speed safety valve.