The Ripper boat towable tube is easily towed by all types of watercraft, and features a rear boarding strap, low profile design for easy rider boarding and high maneuverability. This tube is ready for action with a Skim-fast bottom that responds quickly to wakes and waves, creating a dynamic and exciting ride! 60″ x 57″ x 11″ (152cm x 145cm x 28cm) inflated Low profile, steerable “trick style” tube Durable 420D Nylon top cover 600D Polyester bottom Heavy duty 24 gauge PVC bladder Quick connect tow point Two rear boarding straps.As a contributing member of the USA-based Water Sports Industry Association (WSIA), we design and label our innovative products to adhere to the latest WSIA safety standards. We encourage our customers to be safe and follow proper precautions when using our boat towable tubes. Safety tips can be found here.