... Elastic wrist band for sport 1.good stretch force 2.easy to fasten/ reusable 3.adjustable, disposable 4.Eco-friendily Elastic velcro band ... with buckle, Adjustable elastic wrist bands, armbands with velcro closureFeatures:1) Material: ... , 30X380mm, 30X500mm, 38X380mm, 38X500mm, 38X660mm, 50X650mm...etc. Black Elastic wrist band with Logo