1. Face cloth/Lining cloth: Oxford cloth 2. Interlayer: Pearl Cotton 3. Application: medium and large dogs 4. Comfortable to wear, long-lasting sun protection, strong air permeability and high buoyancy 5. The waist adjustment lock can be adjusted according to the dogs body size to stabilize the body and prevent it from falling off 6. The back of the life jacket is designed with a pull-type handle, which is convenient to pull when the dog is swimming to avoid drowning