Description: Heavy duty freediving buoy training safety float with inside inflatable bladder, 1.5kg lightweight, wear resistant, durable and portable. With dive flag,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 4 stainless steel 316 D ring around the buoy side and 1 D ring on the bottom to connect the freediving line. 4 TPU handles around the buoy for pre dive preparation, bottom mesh design for water drainage. With TPU blowpipe and ABS mouthpiece, can use BCD or just by your mouth to inflate. Great for instructor, freediving, scuba diving, beach diving, snorkeling, spearfishing and more Specification: Material: Nylon + TPU coated cloth Size after inflated (D x H): Approx. 75x22cm/29.53x8.66inch Central storage space: 30CM (inner diameter) Function: waterproof Package Includes: 1 Piece Freediving Buoy Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!