Material: The lenses are made of AC resin, and the spectacles frame is constructed from EVA+PC material, offering durability, lightweight comfort, and a secure fit for small dogs. Ideal for use as photo props or for performance wear, these glasses provide excellent eye protection against UV rays, wind, water, and debris. Flexible band with an adjustable elastic strap ensures a customized fit for your dog’s head size. The chin strap design helps prevent the glasses from falling off. Precision elastic webbing at the head and chin areas allows for easy wearing and a snug, comfortable fit. Wide application: Suitable for daily use, photo sessions, parties, weddings, and holidays. Dress up your dog to make them more stylish and charming. Sponge pad inside: High-density sponge padding around the lenses offers breathability and helps reduce eyestrain and pressure, ensuring comfort during extended wear. Fit for: Head circumference range: 20–32 cm; lower jaw circumference range: 17–24 cm. Weight: 1.27 oz. Suitable for small dog breeds such as puppy, Yorkshire Terrier, Dachshund, Poodle, Shih Tzu, Miniature Schnauzer, Chihuahua, Pug, Pomeranian, Boston Terrier, Maltese, Teddy, Bichon Frise, Shorthair, Balinese, and similar breeds. Please measure your dog's head and jaw size before purchasing.