This 25 piece thin metal die set, Double Delight Magic Sliding Box is from Tonic Studios. This die set creates a sliding box with two compartments that are revealed with a slight pull that can be used to place a gift inside. There are also sentiments and decorative elements included in this set. With this set, you can create both slimline and standard-size boxes or envelopes, as well as double-ended boxes. These dies are compatible with leading die cutting machines (sold separately). The finished box or envelope measures 4.8" x 5.2", giving you plenty of room for a variety of gifts.