Soil and odor resistant, water repellent, high visibility polyurethane coated 1 inch wide nylon dog collars. Also resists rotting and is easily cleaned. Can be cut off and holes added without burning or melting like conventional nylon. Ideal for identifying your dog in the field during the day. In size 30. For correct collar size add 4 inches to your dogs exact neck size. You can add another hole to this collar if it is a little too long, but you can not add more collar if the collar is too short.