1. Size: diameter 7cm, height 12cm; Suitable for small and medium sized pets, such as Chihuahuas, Yorkshire terriers, Maltese, beagles, Boston terriers, Pomeranian and other small and medium sized dogs. 2. Material: made of non-woven fabric, the top is decorated with pompoms. They are safe for pets. The pets with them are bound to be more noticeable. 3. Adjustable: Each birthday hat has an elastic band. You can adjust the length of the rope by adjusting the buckle. 4. Birthday gift: A good gift for your pet's birthday party; Putting this hat on your pet will make your pet more attractive; Happy birthday to your pet! 5. Wide range of uses: suitable for cats, dogs, rabbits and other small and medium-sized animals. It is also an excellent dog and cat costume for many other occasions, such as engagement, parties, weddings, wedding anniversaries, theme parties, fancy dress parties, parades, etc.