DOCO® 4-foot Nylon Rope features soft, abrasion-resistant nylon for walking, climbing, and running. It includes a 360° swivel hook made of durable zinc alloy with a chrome finish, making it easy to attach to any dog collar or harness. Comes with an optional ID ring for your dog's tags or your keys. *Compatible with DOCO® Nylon Collar: DCSN002, DCS005, DCS006, DCSN003 *Compatible with DOCO® Nylon Harness: DCSN202, DCSN201 Special Features: - 100% high-quality nylon - Higher tensile strength than polyester - Nylon is resistant to mold, aging, and abrasion - Soft design for a comfortable grip while walking your dog - Triple slide system for easy size adjustment - 360° swivel hook made of durable zinc alloy - Small ID tag for your dog's identity - Bright colors for easy visibility at all times! Size Chart: - XS: 3/8" × 48" (1.0 cm × 120 cm) - S: 5/8" × 48" (1.5 cm × 120 cm) - M: 3/4" × 48" (2.0 cm × 120 cm) - L: 1.0" × 48" (2.5 cm × 120 cm) - XL: 1.5" × 48" (3.8 cm × 120 cm)