It's time to trick or treat on Halloween! Size Chart (Inch): - Medium: Around Neck 12-15.7"; Chest 15.7-21.7". - Large: Around Neck 12.6-18.1"; Chest 18.9-26". - X- Large: Around Neck 17-24.4"; Chest 22-35.4". 1.Suitable Pet: Perfect for most medium large funny dogs. 2. Color: Black spiders 3. Material: Halloween costume for pets dog is made in sturdy non- toxic tasteless felt material. High quality, non- lint. Light and non- deformation, also very easy to clean up. 4. Detail: Adjustable velcro built in convenient fast velcro, it's easy to adjust it to a right size for your pets. 5. Occasion: Halloween dress up party, Halloween costumes for pet, pet carnival, Christmas gift, Halloween pet costumes, photo shoots, fun party days, daily gatherings, holiday or regular wear and any occasion where pets can be present. Turn your lovely funny pooch dress up as a fun character!