The Living World® Adjustable Harness and Lead Set for Rabbits is made of safe, comfortable and durable nylon material. The color-coordinated set is custom designed to comfortably fit your rabbit. The adjustment slides allow quick, customized fitting. The harness is easy to use and has a quick release feature. Red, 8 mm (0.3 in) wide x 14 - 20 cm (5.5 - 7.9 in) neck, 18 - 30 cm (7 - 11.9 in) body, adjustable 1.2 m (4 ft) lead.