VanGoddy Sweat-Proof Plum Purple Neoprene Armband w/Black Earbuds for Samsung Galaxy J2 Prime/On NXT / On8 / A8 / J5 Prime / On7 / J7 Prime Full screen protector allows touch screen functionality. Made of durable neoprene material. Provides protection during sports; running, biking, jogging, walking etc. Side earphone cord excess holder. Built in compartment for; key, credit card, debit card and ID. Keeps device dry while being active with sweat proof feature. Adjustable arm strap. Arm strap dimensions: 10.5' - 20' in.