Looking for the best river tube for lounging, floating, and laughing with friends and family? This heavy gauge two chamber PVC inflatable tube is designed for rivers, lakes and pools. It's equipped with 2 RF-welded molded handles, which make it safe and durable riding in rough waters.. Two chamber design. Handles: Handles make transporting and getting on and off a breeze. Welded Seams: Heavy-duty radio frequency welded seams keep the air where it belongs