Item - Heavy duty freediving buoy training safety float with inside inflatable bladder, lightweight, wear-resistant, durable and portable - High visibility surface marker buoy makes sure scuba divers and freedivers can be seen in open ocean - Large opening on the top with zipper and loop tape fastener closure, the compartment can be used for storage of dive flag, pole, line, reel and other necessities - Attached with 5 stainless steel D-ring on the bottom and around the buoy to connect the freediving line - With over pressure relief valve and oral inflator, can use standard BCD or just by your mouth to inflate - 4 Loop handles around the buoy for pre-dive preparation, bottom mesh design for water drainage - Designed with dive flag pole holder hole - Great for instructor, freediving, scuba diving, beach diving, snorkeling, spearfishing and more Specification: - Material: TPU coated nylon - Diameter: Approx. 75 cm/29.5 inch - Size after inflated (D x H): Approx. 75 x 22 cm/29.5 x 8.7 inch - Color: Red, Pink, Blue, Yellow for you choose Package Includes: 1 Piece Freediving Buoy Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! Details Pictures: