[Waterproof Secure Material]:This dog life jacket is made of foldable lightweight polyester + nylon + PVC, built-in foam in the necktie improves dog head buoyancy, hold your dog up swim in the water unrestrainedly.The upgraded dog life vest allows for proper water drainage and quickly dried. [Inflatable Bladder Design]: Our inflatable PVC airbag has greater buoyancy than normal plastic foam.It can be easily folded and stored after use.A front neck float helps keep your dog's head above water,it can balance and prevent your dog from being choked when swimming. [Convenient Rescue Handle D-Ring]:The dog float vest features a sturdy rescue handle on top,perfect for easy rescue lifting when they are in danger.Strong D-ring is convenient for dog leash installation if you want to walk your dog,dog can be attached by a leash without collar/harness. [Easy To Put On and Take Off]:The dog life preserver is designed with adjustable belt and quick-release buckles to make your dog fit comfortably, easy to put on and take off, just connect the magic straps around the neck, close the magic straps and the buckles around the chest, and create a most comfortable state for all breeds and body shapes. [Warm Tips]:Dog lifejackets are half-length suits and chest girth is the decisive measurement,Please take every measurement listed on the chart before choose your size.If your measurement is between two sizes,we recommend the larger size for more comfortable fit about your dog.