Brookenjack luxury waterproof dog collars start with two layers of flexible coated webbing. The material is strong with the look/feel of leather and also resists water, sunlight, bacteria and mold. The layers are carefully top stitched with strong bonded nylon thread. High-end nickel plated hardware is secured in place with six double capped rivets to finish off the look. These dog collars are low maintenance and clean easily with soap and water. Go for a long walk in the rain, a roll in the mud or a swim in the ocean - this collar will come out looking like new every time. Collars are 1" wide and currently available in three sizes: Medium - fits neck size 13"-17" and is 19 ½" in length (including buckle) Large – fits neck size 17"-21" and is 23 ½" in length (including buckle) Extra large – fits neck size 21"-26" and is 27 ½" in length (including buckle)