The frame size is 15cm (length) x 4.5cm (width), and the lens size is 5cm (length) x 3.5cm (width). Adjustable headband and chin strap. The lens is made of high-quality polycarbonate, which can filter and reduce the intensity of ultraviolet, UV400, infrared and visible light. Protect your pet's eyes from ultraviolet rays, wind, dust and fog. The sponge cushion is around the lens, the high-density sponge is highly breathable, and the thermal performance reduces eye fatigue or pressure on the shaft, and the dog usually does not feel uncomfortable.Dog glasses are a good protection for your pet. When you take your pet for walking/swimming/driving, etc., it is fashionable and cute. Suitable for small or medium-sized dogs, but not suitable for large dogs. Note: Please measure the size of your pet before ordering. Due to different measurement methods, please allow a measurement error of 1-3 cm. Product Description Specification: Color: as shown in the picture Material: EVA+PC+Nylon strap Size: 15*4.5 cm/5.9*1.8 inches (length * width) Weight: 70 grams Headband: 20-40 cm (loose) Mandibular belt: 16-26 cm (loose) Features: * The foam frame is more comfortable. * UV/UVB protection, UV/wind/water/debris protection. * Suitable for dogs driving, biking, skiing, climbing, horse riding or other activities.