Goo-eez All-Season, Medium-Terrain dog boots with form-fitting gel patented technology.~ Putting on Goo-eez Lites is easy! The boots expand up to 3 times their normal size, then bounce back into shape, form-fitting to your dogs paws. ~Also, the soft interior wont pinch or pull their fur. Just stretch and go! The best part is once they are on, they stay on, always.