Tube diameter: 12" Weighs 8 lb Sturdy dual handles Mesh floor with built-in O-ring for locking Summit II valve AIRE Rocktabomb Inflatable River Tube - When youâ€re ready to step up your tubing game the AIRE Rocktabomb float tube is the perfect choice. The ergonomic design offers all-day floating comfort, and is constructed with raft quality PVC for more aggressive river play. The Rocktabomb is also perfect for lazier days on lakes and slower rivers.