The Paws Aboard Dog Life Jackets provide ultimate buoyancy and high visibility to keep pets safe in or around the water. Constructed to provide buoyancy, along with a cozy secure fit, the PAWS Aboard Dog Life Jackets features: An advanced breathable mesh underbelly for proper draining and drying, which provides your dog more comfort and healthier conditions than traditional dog life jackets, which can cause heat exhaustion and chafing.