Freediving Training Buoy This training buoy is dedicated to freediving lovers. It has a durable external material, an external zipper pocket, 4 external handles for pre-immersion preparation, and 2 exterior D-rings. The wide interior space allows storing the rope during transport. The inner bladder features a valve offering the choice of oral inflation or the use of an inflator hose. The freediving rope can be connected to the underneath stainless steel D-ring. The red diving flag is included to be seen from distance. Made of durable 1050 Denier Cordura fabric. Features: Outer bag made of 1050 Denier Cordura fabric Inner bladder with inflator valve 4 TPR lateral handles 2 lateral stainless steel D-rings Underneath central large stainless steel D-ring for rope connection Large storage compartment with Velcro closure