Frame Perimeter: 7", Height: 2.2". Head Elastic Straps: =14", Chin Elastic Straps: =9". (No Tensile Measurement) Adjustc straps after putting on to avoid glasses slipping off and hurting dog eyes. For medium to large dogs like German Shepherd, Pitbull, Lab, Gree, Husky, Doberman, Retriever, etc. Not recommended for oversize dogs like Newfoundland, Great Dane, Saint Bernard, etc. Soft frame fit the head well without scraping dog's face and eyes. Prevent droplets, tiny stone into dog eyes when dog head out window on car. Protect dogs eyes when they runing, skiing, traveling. They are great supplies for outdoor eye protection. Our dog goggles accord with UV rate standard, lenses are UV-resistant and anti-glare. Frame vents can disperse inside fog, improve the safety of protecting dog's eyes. Wouldn’t suggest wear them for swimming. NAMSAN focus on researching pet supplies, these clear dog sunglasses is authorized by Namsan, which made of quality ultrahard lenses, soft PVC frame, 2 adjustable elastic straps, durable and sturdy.

Best Sellers Rank: See Top 100 in Pet Supplies. Brand: NAMSAN. Breed Recommendation: Large Breeds, Medium Breeds. Neck Size: 8 inches. Size: Medium, Large. Target Species: Dog. : B08CGBK9YM. Manufacturer: Namsan. Date First Available: July 7, 2020. Item model number: 18Goggles-01-Clear. Package Dimensions: 6.42 x 2.8 x 2.52 inches; 3.21 Ounces.