Convert any stand-up paddleboard to a stable platform for fishing, yoga, or bringing along your child or pet. The stabilizers are also great for any beginner, rough waters, or plus-sized paddlers. Rugged nylon covers on the stabilizers protect the PVC bladders inside. Inflate/deflate in seconds with the patented Speed Safety valves. Each pontoon measures 46"L x 7"W x 5"H.