Material: Neoprene. design for sport Activities.Built-in Adjustable arm strap and Key Slot.Full screen protector allows touch screen functionalityKeeps your device safe during activitiesMade of durable neoprene materialProvide protection during sports; running, biking, jogging, walking etc.Fitting

Material: Neoprene. design for sport Activities.Built-in Adjustable arm strap and Key Slot.Full screen protector allows touch screen functionalityKeeps your device safe during activitiesMade of durable neoprene materialProvide protection during sports; running, biking, jogging, walking etc.Fitting arm circumference from 25cm ~ 38cmOnly Armbands not include mobile phone