Guardhouse 2x2 paper coin holders are perfect for protecting and displaying your coin collection. These staple-type holders feature durable crystal clear PET window for easy viewing of the font and back of your coin.Bulk Packs: Bundles of 100. Clean and Dust-Free: Keeps coins in pristine condition. Staple Design: Secure and simple to assemble. Durable PET Windows: Scratch-free, long-lasting protection Ideal for collectors and dealers looking for reliable, affordable storage.