TRINITY STAMPS A-2 WINDOW BOX CARD DIE SET

Create cards that pop—literally! This versatile die set starts as a classic A‑2 sized card (4.25” x 5.5”) that fits perfectly in a standard greeting card envelope, then transforms into a stunning 3‑D window box when opened. Once assembled, the front panel pops up to reveal a 3” x 5.5” dimensional display that’s ready to wow.