The furry members of your family shouldn't miss out on a matching jammies moment! Our Hearts Dog Pajamas are soft Pima cotton pet PJs to match the rest of the crew! Materials and Care 100% Pima Cotton Machine Wash Cold, With Like Colors Do Not Bleach, Tumble Dry Low Imported Prewashed Measurement Information Finley weighs 18 lbs. and wears Size Small Size XS Length: 14.25", Chest Circumference: 20" Size S Length: 15.25", Chest Circumference: 21.25" Size M Length: 16.25", Chest Circumference: 23" Size L Length: 17.25", Chest Circumference: 24" Size XL Length: 18.25", Chest Circumference: 26