Conveniently carry your phone around your wrist, fits most. Wristlet doubles as fun stress popper fidget toy. Press bubbles down to relieve stress. Washable silicone material. Please note that phone holder may need to be removed in order to charge phone. Instructions: 1) Detach the wristlet from the phone holder. 2) Insert the black piece between the phone case and the phone, ensuring that the clasp loop extends through the charging port opening of your case. 3) Once the holder is secured, reattach the wristlet.