The Pet Life Sargeant Riveted Fashion Collared Wool Dog Coat is composed of 100% cotton wool and features accented rivet details along the backside with a dual back-pocket. This pet coat also features snap button closure by the belly for easy on/off access and a leash slit holder behind the neck area. Available in multiple sizes. Sizing Guide - From Back of Neck to Tail area ("In" Inches) 8" - EXTRA SMALL 10-12" - SMALL 14-16" - MEDIUM