DGL1108 Features: * Dog lenses * Extra wide nose bridge * Deep lens cup * Padded and flexible rubber frame * Soft elastic adjustable head and chin straps * 100pct UV protection * Anti-fog * Shatterproof * Small: Dog Size: 9 - 25 lbs, Head Strap and Frame: 12"" - 20"", Chin Strap: 4"" - 8"" * Medium: Dog Size: 20 - 60 lbs, Head Strap and Frame: 15"" - 25"", Chin Strap: 5"" - 11"" * Large: Dog Size: 50 - 100 lbs, Head Strap and Frame: 18"" - 30"", Chin Strap: 6"" - 15"" * Small: Beagle, Westie * Medium: Dalmatian, Border Collie * Large: German Shepherd, Labrador Retriever