Description: Premium Material: The diving tank holder is made of durable HDPE materials, durable and stable. Features strong buckles to provide added stability.Adjustable Strap: The strap can be adjusted for additional convenience and a more comfortable fit, and make it possible to be bundled with different specifications of gas cylinder.Anti Slip Design: The strap with anti slip design to hold the oxygen tanks in place securely. Diving oxygen bottle back support gas bottle back frame bracket for fishermen to work in fishing water.Easy to Use: The dive tank holder makes transporting a single oxygen tank simple for everyone. Fit guests don't need buoyancy control. Easy installing and disassembly, easy carrying under water.Wide Application: The diving tank back pack is suitable for diving, underwater production and other fields. A good helper for your diving, swimming, and underwater operations. Specification: Color: Black Size Chart: 35.5cmx20.5cm/13.98inchx8.07inch Package Includes: 1 Diving Tank Holder Note: Please allow slightly errors due to manual measurement and different monitors.