OFFICIAL DISNEY DESIGN – This is an officially licensed Disney dog costume for fans of the iconic brand MACHINE WASHABLE – Use cold washer cycle and line dry GREAT HALLOWEEN COSTUME FOR DOGS - For trick-or-treating, parties, or just a fun walk around the block 100% POLYESTER – This costume is made from ultra-soft, high quality, lightweight polyester fabric that your dog will actually be comfortable in WIG INCLUDED – Your pup will look just like their favorite princess in their costume with mermaid tail and cap SIZING - Our sizing runs small, so we recommend ordering one size up from your pet's regular size to ensure a perfect fit