Material: The lenses are made of AC resin, and the spectacles frame is constructed from EVA+PC material, ensuring durability, lightweight comfort, and suitability for small dogs as photo props or for performance wear. Provides excellent eye protection against UV rays, wind, water, and debris. Features an adjustable elastic strap that securely fits various dog sizes, with a chin strap design to prevent slipping off. Precision elastic webbing on the head and chin areas allows for easy wearing and a secure fit. Suitable for daily use, photography, parties, weddings, holidays, and other events to enhance your dog's stylish appearance. Sponge padding around the lenses offers high breathability, reducing eye strain and pressure for long-term comfort. Fits dogs with a head circumference of 15–20 cm and a lower jaw circumference of 17–24 cm. Weight: 1.27 oz. Ideal for breeds such as puppy, Yorkshire Terrier, Dachshund, Poodle, Shih Tzu, Miniature Schnauzer, Chihuahua, Pug, Pomeranian, Boston Terrier, Maltese, Teddy, Bichon Frise, Shorthair, and Balinese. Please measure your dog's head and jaw size before purchasing.