Here's the perfect way to store your stamps and dies. The transparent plastic envelope has a top closure, is made with sturdy construction, and is long-lasting. The magnetic sheet keeps your metal dies securely organized. Hero Tools is a curated collection of essential tools for stamping, cardmaking, scrapbooking, and mixed media. We selected the best quality products with a classic branded look in the spirit of the Hero Arts style.Details:Transparent4" x 5" envelopes3.25" x 4.25" sheets10 sheets and envelopesPlastic