DOCO® 4-foot nylon rope features softness and abrasion resistance, suitable for walking, hiking, and running. It is equipped with a 360-degree swivel hook made of durable zinc alloy polished with chrome, making it easy to attach to any collar or harness for your dog. It also includes 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 comfortable walking with your dog - Triple slide system for easy size adjustment - 360-degree 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)