CUTE & LUCKY GREEN ST. PATRICK'S DAY DOG TANK DRESSDress your little Fur Baby for ST. PATRICK'S DAY with this cozy cotton boasting Holiday colors on the front and a easy pullover tee for changing convenience. 100% cotton 95% Cotton 5% Lycra; Machine wash; tumble dry. Machine Washable. Choose the next size up if your pet is in between sizes 6 sizes available (measure from base of tail to neck, weights approximate) XS 8" 10" (3 5 lbs.) S 10" 12" (6 8 lbs.) M 12" 15" (9 18 lbs.) L 16" 19" (19 30 lbs.) XL