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. Includes ten 4 x 5 inch envelopes, each with a 3.25 x 4.25 inch magnetic sheet inside. Ideal for storing 3 x 4 inch clear stamp sets with coordinating dies, or smaller dies on their own. 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.