specification Type: Pet Dog Life Jacket Material: polyester Color: blue, orange color Size: XS, S, M, L, XL, XXL Size-----Back---------------Chest----------------------Neck------------Weight XS---20cm/7.87\"---36-42cm/14.17-16.54\"---32-35cm/12.59-13.78\"---1-6kg S----27cm/10.63\"---44-54cm/17.32-21.26\"---34-38cm/13.38-14.96\"---6-8kg M----33cm/12.99\"---54-64cm/21.26-25.20\"---43-50cm/16.92-19.69\"---8-22kg L-----40cm/15.75\"---62-74cm/24.40-29.13\"---48-55cm/18.89-21.65\"---22-28kg XL----45cm/17.72\"---72-81cm/28.34-31.89\"---54-60cm/21.25-23.62\"---28-40kg XXL---50cm/19.69\"---82-92cm/32.28-36.22\"---62-70cm/24.40-27.56\"---40-50kg Package included: 1pcs x Pet Dog Life Jacket Characteristics: The shark fin desig, it is the body fit of a pet Adjustable dog life jacket, designed with top grip strips for easy rescue by hand or boat hook in the water. Front float helps keep dog's head above water. Safety design, add two adjustable straps. Light-weight to allow comfort and reduce fatigue while wearing nice and affordable. Package included: 1pcs x Pet Dog Life Jacket Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little different from what you expect, please allow it.