Material: our plastic envelopes are made of plastic, waterproof, reusable, easy to use and carry. the rubber sheets are made of a thicker material, and metal objects not move easily after being placed on it, which is convenient for storage Package quantity: you get 24 Pcs stamp and die storage pockets and 24 pcs rubber magnetic sheets, there are enough pockets to meet your , or you can share them with your family and friends Application: our small plastic envelopes are perfect for storing stamping dies, stamps, stickers, tape dispensers, receipts, cards, photos and more. helps you keep things organized Size: the plastic folder is 7.5inch x 5.5inch / 19cm x 14cm, the rubber sheet is 7inch x 5inch / 18cm x 13.5cm and the thickness is 0.5mm, you can easily put them in the storage box or bag Easy to use: Prepare the items you need - Place the stamp and die on the rubber sheet - The stamp and die not fall when picking up the rubber sheet - Put them in the pockets (recommended to put the side with the mold facing inwards) - Close the plastic envelopes