Doggles Goggles for Mid & Big Dogs from Perla & Gaius offer UV Protection Waterproof with Foldable Sunglasses Lenses, Polarized Sunglasses with Adjustable Strap KEY FEATURE : Fashionable, water-proof, multi-color, UV Protection, for Mid to Large size pet dog SPECS: Glasses 6.3 inches length, single frame 3 inches long 3 inches wide, 1 Strap USAGE: motorcycle rides, playing in the sun, or anytime your pup needs extra-stylish, vet-recommended eye protection BRAND NEW! ATTENTION : This type of Doggles only have one strap. Purchase it only if your puppy's head can fit.