The Touchdog ® Bark-Zz Full Body Ultra-Soft Dog Pajamas Jumpsuit is composed of soft cotton and polyester blended shell. Outer shell is further blast treated for an added plush and softer feel. Comfortably covers all 4 sleeves and features memorized stitching for a more customized placement. Features accented embroidered details along the back and added accented trimming along the sleeve areas with a leash slit along the neck area. Machine washable. Available in Multiple Colors and Sizes. Sizing Guide - 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