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. Color - Red. 19cm (7.5") neck loop, 23cm (9") body loop, 5mm x 1.2m (0.2" x 4') lead.