Our Pet Life Harnesses are produced of high-quality mesh fabrics and feature adjustable stretching straps and high-tension buckles for added support. Attach this to any leash and your pet will be fully secured. Features a double back and front end leash attachments. The lightweight mesh fabrics are naturally waterproof, windproof, breathable and lightweight. Features a usable hook and loop pouch on the back—great for any and all belongings. Sizing Guide: measure the chest and neck of your pet Small: neck: 7-9"; chest 11-13" Medium: neck: 9-11"; chest 14-17" Large: neck: 11-13"; chest 17-19"   Features: Pocket, Reflective Pet Intended For: Dog Measurements: 9 Width/Inches, 8 Height/Inches, 7 Length/Inches Base Material: 80% Polyester, 20% Nylon Care: Machine Wash Country of Origin: Imported