DOCO® Nikon Rope, 4 feet long, features soft, durable Nikon fabric, suitable for walking, hiking, and running. It includes a 360° swivel hook made of chrome-polished zinc alloy, providing ease of attachment to any dog's collar or harness. Optional ID ring for your dog's tags or your keys. * Fits DOCO® Nikon Collar: DCSN002, DCS005, DCS006, DCSN003 * Fits DOCO® Nikon Harness: DCSN202, DCSN201 Special Features - 100% high-quality Nikon - Higher tensile strength than polyester - Resistant to mold, aging, and abrasion - Soft design for comfortable walking with your dog - Tri-glide for easy size adjustment - 360° swivel hook made of heavy-duty zinc alloy - Small ID tag for your dog's identity - Bright colors visible 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)