Celtic Knot Black Business Credit Card Case Id Holder Metal Travel Wallet Mother of Pearl Traditional Korean mother of pearl sea shell craftsmanship with modern printing Professional use business card holder lightweight 80 g and thin .8cm holds 10-12 cards Personal use help RFID skimming protection minimalist metal wallet for 3-5 debit and credit cards Travel portable size 3.7"x2.4" (9.5cmx6cm) for ID carrier holds 3-5 ID's Gray Celtic knot design brushed steel look comes in gift box ready to give