High Buoyancy Dog Life Jackets The shark dog life jacket is made of polyester and is filled with polyethylene foam inside. The premium materials provide high buoyancy and long service life. Cute Shark Fin Life Jacket The dog life jacket with cute shark fins on the feet is very attractive whenever your pet swims in the water or walks in the pool or beach. Sturdy Fastening System Secure your dog's life jacket around the neck and belly with easy-to-use Velcro. And adjust the nylon strap and fasten the sturdy buckle. Then the dog life jacket fits perfectly and keeps your dog safe at all times. Rescue Handle, Leash Hook and Reflex Grab the sturdy, non-slip handle on the back and quickly retrieve your pet in an emergency. Hook the leash to the D-ring hook on the back to keep your pet close and easy to find with the reflective design. Specification Polyester/PE material Silver gray