MUTTLUKS REFLECTIVE 4 DOG BOOTS BLACK FLEECE LINED ALL SIZES Set of 4 boots. Fleece Lined Muttluks featuring a fleece inner lining which keeps paws warm and cozy in cold weather conditions. Self-tightening straps provide a secure fit. Reflective straps for nighttime visibility Genuine leather soles for a soft flexible fit. (Leather toe sizes M-XXL only) Comfortable adjustable stretchy leg cuff Machine washable. XXS - 1.5" (3.8 cm) to 2.25" (5.2 cm). XS - 2.25" (5.2 cm) to 2.75" (7 cm). Small - 2.75" (7 cm) to 3.25" (8.25 cm). Medium - 3.25" (8.25 cm) to 3.75" (9.5 cm). Large - 3.75" (9.5 cm) to 4.25" (10.8 cm). XL - 4.25" (10.8 cm) to 4.75" (12.1 cm). XXL - 4.25" (10.8 cm) to 4.75" (12.1 cm)