Reusable surface marker buoy with a unique two-layer design: the outer layer is made of tough nylon with water-resistant PU coating, which protects the inner bladder.

• The taped edge prevents the outer layer from fraying.
• The inflate underwater, simply use an octopus to release air into the balloons opening, and the air cells special enclosure will automatically trap all incoming gas.
• The SB-5 has counter weights to help it staying upright.
• The sturdy storage pouch has a mesh bottom for quick drainage.It can be carried on any 2 webbing or clipped onto a d-ring.
• Automatic valve releases excess pressure to prevent SB-5 from bursting
• Size: 154cm x 18cm (60" x 7")