Flottabilit Impermable MatriauOur dog life jackets are made of Oxford high quality polyester, nylon, mesh fabric and high density densit bead foam. It not only has excellent flotabilit but also allows for rapid drying and good drainage. The High Flotabilit Dog Life Vest can protect your pet from drowning Size Slection and Scurit RecallFor the best fit, please measure the dog’s neck and chest before purchasing a dog life jacket and then rfrer our size chart to choose an appropriate dog life jacket. If the result of the measurement is between two sizes, we recommend the larger size. For the safety of the dog, please do not let the dog use the dog life vest alone Rescue Grip and Rflchissant BandsThe dog tank vest has a sturdy life grip on top, all convenient to grasp it when setting up or using water, make yourself totally contrl your dog. And the flotation is also with wide rflchissant bands, which are particularly bnfique for owners who walk their dogs in the evening Perfect Practical