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 18-20"": LARGE 22-24"": EXTRA LARGE