As this garment is so stretchy, most dogs can fit in 1-2 sizes, so selecting the best size will also depend on how you like the onesie to fit - if you prefer a slim-fit, select the smaller size in your dog's range ; select the larger size if you prefer a looser fit.

Polyester + 7% Spandex for a 4-way stretch

Size 4: Girth 8-12" // Weight approx 3-5 pounds
Size 6: Girth 10-14" // Weight approx 5-8 pounds
Size 8: Girth 12-17" // Weight approx 8-10 pounds
Size 10: Girth 14-20" // Weight approx 10-14 pounds
Size 12: Girth 16-22" // Weight approx 14-18" pounds
Size 14: Girth 18-24" // Weight approx 18-22 pounds
Size 16: Girth 20-26" // Weight approx 23-28 pounds
Size 18: Girth 22-28" // Weight approx 29-40 pounds
Size 20: Girth 24-30" // Weight approx 40-55 pounds
Size 22: Girth 26-32" // Weight approx 50-65 pounds
Size 24: Girth 28-34" // Weight approx 55-75 pounds
Size 26: Girth 30-36" // Weight approx 70-90 pounds

Dogs of all sizes

Machine wash warm, tumble dry low or hang to dry.

We want you to be happy with your purchase! Online (shipped) purchases of new, unused items can be returned for exchange or refund within 14 days of purchase.

Please note that we are unable to return or exchange any food, grooming items, beds, or custom orders. Please see additional info on returns & exchanges here.