Description: Heavy duty freediving buoy training safety float with inside inflatable bladder and platsic finger reel guide line spool, 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 The folating buoy is 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: Freediving Buoy 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 Diving Finger Reel Spool Material: Aluminum alloy + 316 stainless steel Reel Diameter: Approx. 8.5 cm/3.35 inch Reel Thickness: Approx. 5 cm/2 inch Center Hole Diameter: Approx. 3.5 cm/1.38 inch Line Length: Approx. 30 m/100 ft Bolt Snap Length: Approx. 10 cm/4 inch Reel Color: Blue Line Color: Fluorescent Green Package Includes: 1 Piece Freediving Buoy 1 Piece Diving Finger Reel Spool Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks