The outer shell of the phone case is exquisitely crafted from high-quality cowhide! With a detachable design, it is simple yet not plain, perfectly matching daily life and work! The four corners of the phone case are equipped with airbag anti-collision designs, which can provide effective protection when the phone drops or colliding. Regarding the card slot, when the new product comes out, it will be a little tight when inserting a card for use.However, as time goes by, it will become increasingly easy.