The only sunglasses made just for dogs!With Gold Paw Rhinestones on the lenses and comfortable plastic bone side "arms". Designed just for dogs! Unique three strap system is fully adjustable. 100% UV block, shatterproof lenses. Wide nose bridge. Very stylish bone accents. Sizing:XXS - 1-4 LbsXS - 3-10 Lbs.S - 9-25 Lbs.M - 20-50 Lbs.L - 50-90 Lbs.