Please allow measuring deviation due to manual measurement.Made of material, it is lightweight, breathable and comfortable to wear. High quality soft stretchy and reliable strap secures the phone to your arm and allows you to workout and move in comfort, never worry about dropping your phone.1 x Mobile Phone Wristband(Length: 17cm / Width: 7.5cm).Color: Green / Black / Blue.Model: Armband / Wristband.It can be 180- rotated to meet your needs.Hollow design, make the user can the screen control directly.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.High elastic environmental protection silicone tape, both ends of the stretching length of up to 20cm, no breakage, no deformation.Silica gel rotation reliability, rotating parts do not fall off, not loose.Bandage elastic band, adjustable, suitable for wrist and arm circumference 15-25cm.Material: Silicone + + Plastic.Weight: 70g.