Alfie Pet by Petoga Couture - Kobi Harness and Leash Set for Small Animals like Guinea Pigs and Rabbits Best fits neck girth 6.25 - 8.25 inches. breast girth 7 - 10.5 inches. Leash is 47.5 inches in length by 0.5 inches wide. We highly recommend you measure your pet precisely with a flexible tape measure to ensure the best fit. Contact us if you have question. We are happy to help. This set contains a harness and leash. Harnesses are comfortable alternative to collars for small pets as they evenly distribute restraint across the chest. Our harnesses are designed to be gentle and put less stress on the pet when pulling on the leash. Made of soft, lightweight and breathable material. Machine washable for easy cleaning. Comes complete with a matching leash. Feature a sturdy D-ring for easy leash attachment. Perfect for everyday walk and weekend party.