These Neoprene wrist cuffs are adjustable, comfortable, and come with a Tom of Finland brand lock and two keys. The double layered material is stamped with a metal Tom of Finland logo. Fully adjustable and ideal for long term wear. Matching collar and ankle cuffs available, sold separately. Free collector print included! Measurements: adjustable from 11 inches to 14 inches in length, 2.25 inches in width.