Strong magnets hold the flip-top lid tightly in place, only releasing it when you pull on it. This protects your cards from accidental spillage from your handbag, rucksack or tote bag, making your deck portable and easy to read on the go. Standard sized tarot cards, including game collector cards, baseball cards and game cards. Protect each deck, whether in internal storage or during holidays, errands, work or school. Best protective storage solution.