MaruPet Elastic Neck Luxury Pet Perspective Tutu Full Dress Skirt Pet Puppy Dog Clothes Costume XS--Neck(in): 7.5", Chest(in):11.5", BodyLength(in):8.0; S--Neck(in):9.0", Chest(in):13.5", BodyLength(in):9.5"; M--Neck(in):11.5", Chest(in):16.5", BodyLength(in):11.5"; L--Neck(in):12.5", Chest(in):18.5", BodyLength(in):13.0"; XL--Neck(in):14.5", Chest(in):21.0", BodyLength(in):15.0". Be ware that the neck is undetachable, so if your puppy's neck overs our size range, even other indexs are suitable, we still not recommend it for you, otherwise, it could not go through your puppy's head To help our customer choose size easily and accurately, we have make a size chart in the left Second picture, the size chart includes the neck, bust, body length and suggested weight, and other notices, we strongly advise that you need to choose size based on our size information seriously, not on your experience and what you normal think since every procust has different size defination, thank you for your cooperation The fashion design and the material can make your doggie looks unique. With a pet costume in bubble dress style, dogs will be ready for parades, parties, or just having fun. 100% cotton material, so it won't hurt the dog skin and the comfortable material can provide enough room for your baby dog to move and breathe There are many colors and sizes for you to choose, don't hesitate to pursh it, you will fall in love with it Suggest handwashing, 1 x Pet clothes and the accesories is not given freely