Description: 【Material】:The scuba diving equipment set is made of premium material, ensuring its durability. 【Full Set of Diving Donut Wing Single Tank】Comes with 30lbs Donut, Outer Shell, colorectal tube, K type oral inflator and low pressure hose,it is very convenient for you. 【Easy to Use】Removable soft bracket is provided for cylinder support and 4 threading slots in the middle are convenient for using. 【Fits for Diving】Great Scuba Dive Tech Equipment, Provides you with good buoyancy control while you are Scuba Diving and Snorkeling. 【Versatile Design】: This scuba diving set features woven belt slots and comes with a soft harness that allows you to switch between soft and hard carrying options easily. Specification: Material: Inner Shell: 420D TPU Coated Cloth Outer Shell: 1050D Cordura Connector: TPU Air Eye:Copper Nickel Plated Colorectal Tube: Rubber Size Chart: Donut: When not inflated 64cmx 43cm/25.2inch x 16.93inch;When inflating 64cm x 38cmx13.5cm/25.2inch x 14.96inchx5.31inch; Low Pressure Hose Length: 55cm/21.65inch Rubber Colorectal Tube Length: 30cm/11.81inch Threading Slot: 13cm x 0.7cm/5.12inch x 0.28inch Package Includes: 1 Scuba Diving Donut Wing Single Tank 30lbs 1 Low Pressure Hose 1 Rubber Colorectal Tube 4 Threading Slots 1 K Type Oral Inflator Note: Please allow slightly errors 1-2cm differences due to manual measurement.