MTIs UnderDOG pet life jackets are ergonomically designed for your swimming canines. With 90% of its effective buoyancy under the chest and neck, the UnderDOG supports a natural swimming angle for your water-loving pet. By allowing your dogs hindquarters to float lower in the water, this life jacket improves swimming efficiency and keeps your dogs head higher. Adjustable back, neck, and chest straps ensure a snug and custom-like fit for any size pooch. Additional features include a mesh top for cooling, two straps on back for easy retrieval out of the water, reflective trim for increased visibility, Cordura construction for a durable exterior and a D-ring for attaching a leash. Key Features 90% of buoyancy under chest and neck for a natural swimming angle D-ring for attaching leash Reflective trim for increased visibility Two integrated grab handle for easy out-of-water retrieval Mesh top for cooling Specifications Intended Use: Boating, recreational, watersports Flotation Material:Closed cell foam Closure: Three buckles