DOCO® Nylon Leash 4ft features soft, abrasion-resistant nylon, suitable for walking, climbing, and running. It has a 360-degree swivel hook made of chrome-plated zinc metal, making it easy to attach to any collar or harness for your dog. Includes an optional ID ring for attaching 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 - Mold, aging, and abrasion resistant - Soft appearance for comfortable walking with your dog - Sliding triangle for easy size adjustment - 360-degree swivel hook made of durable zinc metal - Small ID tag for your dog - Bright colors easily visible at all times! Size Chart: XS    3/8" × 48"   (1.0cm × 120cm) S     5/8" × 48"   (1.5cm × 120cm) M    3/4" × 48"   (2.0cm × 120cm) L    1.0" × 48"   (2.5cm × 120cm) XL    1.5" × 48"   (3.8cm × 120cm)