KALAIDENG cards to board the British series SONY Xperia Z1 rollover protective sleeve This product does not show host Use high temperature voltage forming a very thin， very light Flip card behind with the bag， can be placed on all kinds of documents Selection of imported PU green leather， microfiber inside， quality feel Complete all parts of the phone fit， perfect protection， the operation is still convenient Can directly answer the phone without the flip to avoid grease buildup in the face on the screen Product Features Featured PU leather material comfort humane design perfectly fit the phone with a very light thin card bags Product design