S: Waist 25-30cm M: Waist 30-35cm L: Waist 35-45cm XL: Waist 45-55cm XXL: Waist 55-65cm DOG DIAPERS - Please measure your dog's waist right in front of the back legs to ensure a good fit. These washable doggy diapers are more economical and environmentally friendly than the disposable dog diapers. MALE & FEMALE DOG DIAPERS- Easy-to-use diaper wrap for dogs. Useful for untrained puppies, female dogs in heat, and dogs that suffer from excitement urination or incontinence. SOFT & COMFORTABLE DIAPERS FOR DOGS- To increase your dogs comfort and acceptance our diaper wraps have no "crinkly" or uncomfortable texture that causes many dogs to dislike the ordinary disposable diapers. Velcro closures are quick and easy to secure and won't stick to your pets fur. HIGHLY ABSORBENT DOGGIE DIAPERS - The diaper pad is sewn into the diaper and has a waterproof outer layer to prevent leaks and damage to rugs, carpets, upholstered chairs and sofas.