The Living World Figure 8 Harness and Lead Set for Guinea Pigs is made of safe, comfortable and durable nylon material. The color-coordinated set is custom designed to comfortably fit your Guinea Pig. The harness is easy to use and has a quick release feature. Red. 19 cm (7.5 in) neck loop, 23 cm (9 in) body loop, 5 mm x 1.2 m (0.2 in x 4 ft) lead. Other colours available : 60841 Living World Figure 8 Harness and Lead Set for Guinea Pigs, yellow 60842 Living World Figure 8 Harness and Lead Set for Guinea Pigs, green,