Material: the lenses are made of AC resin, spectacles frame using EVA+PC material, durable, lightweight, comfortable, fit for small dogs as daily wear photo props or show, performance wear. Give the greatest eye protection against UV/wind/water/debris.Flexible bandadjustable elastic strap can adapt to fit the size of your dog and the chin strap design let you never worry about falling off easily. Head and chin have a precision elastic webbing make an easy to wear.Wide application: the dog glasses are suitable for daily wear, photo shot, parties, weddings and holidays, dress up your dog to make it more eye-catching, chic and charming.Sponge Pad inside: Sponge is padded around the lenses, high density sponge has a great breathable effect perfectly alleviating eyestrain or the pressure from the glasses and the dog will not feel uncomfortable for long-term wear.Fit for: Applicable head circumference: 15-20cm, applicable low jaw circumference: 17-24cm. Weight 1.27oz. Suitable for puppy,