Size: dog goggles for Yorkshire Terrier, Schnauzer, Poodle, Pug or puppy over 10 pounds. Elastic headband: 34-46 cm, chin: 15.2-23 cm (without stretch measurement), height 5.1 cm, length 20.3 cm. High quality material: The sunglasses are made with silicone frame and PC lenses, nylon strap that does not stress the pet's face or eyes. Dogs use glasses to protect pets' eyes from wind, dust, sand, etc. Outdoor activities: These glasses provide excellent protection for your dog when you step out of the car window. Your dog can enjoy the view outside or party and travel with other people. These glasses can be used all year round and protect against snow and wind, even when skiing in winter. Adjustable: Flexible head and chin straps are adjustable and tight, easy to adjust, comfortable and durable. It is also the best gift for pets for Halloween, Christmas and New Year.