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 separatelyMeasurements:Adjustable from 11 to 14 inches in length, 2.25 inches in width.Material:andnbsp;Neoprene, Metal, PlasticColor:andnbsp;BlackNote:andnbsp;Includes lock and two keys. Free collector print included!