*NEW Hunkydory Crafts Mirri Mats - Silver - 100 sheets. Made to compliment our brand new Topper Decks, these Mirri Mats have been perfectly sized so that you can easily mat and layer them with the Topper Decks for that lovely Mirri frame around your toppers. Each pack contains approximately 100 sheets of silver Mirri mats. Size: 2 5/8 in. x 3 5/8 in. These are 1/8 of an inch larger than an Artist Trading Card, but cut these down to 2 1/2 in. x 3 1/2 in. and you have 100 amazing foil mirri silver backgrounds.