Cute Elf Hat great for Christmas Parties or Christmas Pictures. They have an adjustable chin strap to keep them on. Can be made in most colors. Personalization can be added. These are light weight made of felt. So cute on and will fit most breeds from Small to Large. Small Measures approx 3.5 high and 3.5: across front Large 6" high and 4.5 across front. Each item is custom made for you when you order we are not able to take items back in exchange or returns, so please make sure to check sizing and reach out if you have any questions we are happy to help and answer quickly. Disclosure : Pet safety is pet parent responsibility check frequently for normal wear and tear. Harnesses, collars, leashes, clothing, and accessories are designed for supervised use only. Leaving a pet unattended or caged while wearing any of the following (collars, harnesses, leashes, bow ties, clothing, and accessories) may cause injury. It is the responsibility of the pet owner to determine the suitability of their individual pet's situation. The customer and pet owner accepts all liability, responsibility with this disclosure.