Lift The Flap Slimline Die SetThis fun addition to our slimline series contains 4 pieces that allow you to lift up 4 different surprise flaps in your cards. The largest die measures 8. 5" x 3. 5" and is perfect for including money or a gift certificate in your card as a surprise. The larger rectangle flap measures 3. 75" wide and 2. 75 tall, perfect for a gift card! Add several of the smaller circle or rectangle flaps on your card for more interactive fun! Trinity Stamps dies are