a Sustainable Card Holder Made From Recycled Ocean Bound Plastic From Plastic Bank®. Old Bottles & Other Stray Plastic Products Were Used for the Material. the Ultimate, Minimalist Card Holder. Suitable for Storing 7 Cards. Walter Wallets Are Ultra-Thin Card Holders Made From Recycled Materials. Your Cards Are Also Safely Protected with the Patented Stack-And-Slide System. with the Walter Wallet You Take Out Your Cards in One Hand & You Can See Exactly Which Card You Need. Minimum Quantities Apply.