There's suitable for 3 cards, a little bit of cash, earphone, or a key in 2 slots. Also could be removed it away cleanly.
VULKIT Phone Sticker Card Holder Slim Elastic Adhesive Card Holders for Phone Case Credit Card Sleeves Sticker On Smartphone for Men or Women, Lilac
VULKIT Phone Card Holder Slim Leather Adhesive Pocket RFID Blocking Credit Card Sleeves Sticker for Back of Smartphone for Men or Women
VULKIT Phone Card Holder Slim Leather Adhesive Pocket RFID Blocking Credit Card
