SUSTAINABILITY: Soles constructed from recycled tires to provide sustainable use SPECS: Small: 6.69 x 2.36 x 5.51 in. | 0.46 lbs. Medium: 7.09 x 2.36 x 7.09 in. | 0.54 lbs. Large: 8.27 x 2.36 x 8.27 in. | 0.60 lbs. Extra-Large: 8.27 x 2.36 x 9.06 in. | 0.83 lbs. DESIGN & DETAILS: Designed for use during any outdoor activity Great for use on hot pavement & sidewalks to hiking paths & pools Also great for use for protecting indoor hardwood floors Constructed with thick soles for maximum protection Patented design to deliver comfort and protection Also great for preventing dogs from licking paw balms, creams, or soothers