Doggles ILS are the first and only protective eyewear designed just for dogs! 12 years of experience has made our Doggles ILS (Interchangeable Lens System) the very best in pet eyewear. For eye protection or fashion ask for it by name. Extra wide nose bridge. Deep lens cup keeps the lenses away from the eyes. Padded and flexible rubber frame. Soft elastic adjustable head and chin straps. Foam lines frame for extra comfort. Change your lens color anytime you want for fashion or function. 100% UV protection. Anti-fog. Shatterproof lenses. Color: Shiny Blue Frame / Blue Lens. Size Large(for dogs 50 - 100 lbs): Head Strap and Frame Length 18 - 30 Chin Strap Length 6 - 15 Actual Lens Size 1.5 H x 2.5 W. Dimensions: 6 H x 1.5 W x 2 D.