1. Love puppy goggles for Pomeranian, Yorkshire, Chihuahua, poodle, etc. Puppy sunglasses light weight, head circumference: 34-45.5cm jaw: 15-22.5cm (not stretched adjustable range), with enough dog head adjustable function. 2. Dog glasses are made of PC material, environmentally friendly, strong and durable. Lenses with a UV protective coating can protect your pet's eyes from the sun at all times. 3. The spacious interior won't press down on your dog's eyes. Fully enclosed goggles will keep your pet's eyes from being damaged by wind, dirt, sand, or other things that might fly through the air. 4. The adjustable flexible head and chin strap can be adjusted and tightened to allow puppy sunglasses to fit snugly against the face, if not, they can easily move over your dog's nose and touch their eyes, resulting in a misfit. 5. Various color options. These puppy goggles are perfect for cosplay and dress your dog up like a superhero!