Product Description: Item Type:Pet Life Jacket Material:Polyester Color:Orange,Yellow,Light Red,Blue Target Audience:Dogs Dog Size:Small,Medium,Large Season:Spring,Summer Size:XXS / XS / S / M / L / XL / XXL Package Include:1 x dog lifejacket Size Chart: Size----------Back-------------------Neck------------------------Chest XXS------5.91"/15cm-------7.48"-10.63"/19-27cm-------11.02"-14.57"/28-37cm XS-------8.27"/21cm-------9.84"-13.78"/25-35cm-------11.81"-16.54"/30-42cm S--------10.24"/26cm-------14.17"-18.50"/36-47cm-------16.14"-20.87"/41-53cm M-------11.81"/30cm-------15.75"-18.90"/40-48cm-------16.14"-24.80"/41-63cm L--------13.78"/35cm-------16.54"-21.26"/42-54cm-------19.69"-29.53"/50-75cm XL-------17.72"/45cm-------19.69"-27.95"/50-71cm-------27.56"-37.40"/70-95cm XXL-----18.90"/48cm-------24.41"-35.43"/62-90cm-------34.65"-48.82"/88-124cm Features: 1. Highlightly reflective stripes make it easy to see where your baby is when he or she is playing in the water. 2. Nylon clasp around the whole body and neck of your dog to ensure security. 3. The high-quality mesh can let dogs breath easily and smoothly. 4. Durable D buckle, easy to install leash, suitable to walk the dog on the seaside. 5. Adopting the seatbelt-buckle, it is easy for you to wear for your dogs and prevent them from breaking away. EFINNY Dog Life Jacket Easy-Fit Adjustable, Polyester, Orange, M Designed for safety with highly reflective stripes for visibility in water Adjustable nylon clasp around the body and neck for a secure fit Made from high-quality mesh for breathability and comfort Durable D buckle for easy leash installation, perfect for seaside walks