Pet Dog Doggy Life Jacket Life Vest Saver Preserver Reflective Nylon Neoprene Quick Release Adjustable With Free Gift Bandana More flotation material Strong, non-restrictive straps with quick-lock clips and easy release buckles for simple on and off. Bright, High-visibility shell and dual reflective strips.Quick pick-up handles.Leash attachment loop . Sturdy, tear-resistant fabrics Medium:Chest 17-24inch ,back length 12inch , neck 15-18inch. Size is small ,please choose a larger size if your pet size between 2 sizes. Choose a larger size if your pet size is between 2 sizes . Free gift bandana included.