The Pet Life ® Two-Tone Adjustable Dog Raincoat is composed of a Waterproof PVC Material outer shell and inner lined with a thin layer of Fleece. This Dog Coat Features a fully Adjustable Removable Hood and adjusts at the tail end. Features a Leash Slit along the Neck Area. Sizing Guide - Measure From Back of Neck to Tail area ("In" Inches) 8" - EXTRA SMALL 10-12" - SMALL 14-16" - MEDIUM