Size: Small —- Neck: 34 ~ 40cm, Chest: 34 ~ 45cm, Back length: 24.5cm Unique Design – Namsan dog life jacket adopted the inflatable insert design, the buoyancy is larger than normal foam and plastic dog coat on the market. With high visibility color fabric, reflective stripes to keep your dogs cool and visible, even in the dark. AtheWaist Design and Inner Stretch Fabric – Designed from the feel of the dog to make dogs swim, the Namsan Dog Life Jacket lets their legs float unrestrained in the water and feel comfortable because we have soft elastic fabric where the dog’s skin will be suitable for touch. Metal button, quick release clips and safety handle – Triple safety, wider and thicker handle at the back so parents feel better when it takes a long time to train their dogs or pack them. Adjustable Velcro closures on neck and stomach – For a comfortable size of your pets when wearing this dog vest. Product description Building a range of abs just got a whole lot easier with this