Standard Size: each heavyweight plastic sheet protector measures about 12.4" x 9.8", with an internal capacity of 9" x 12" to fit standard binders; 3 pre-punched holes on the left side make it easy to fit into a binder Thickened Clear Polypropylene: these clear plastic sheet protectors feature a 1/4" lip on the top short edge, making loading papers a breeze; The reinforced edges and holes mean you never have to worry about the safety of important business documents and collectibles Top-loading Convenience: top-Loading paper protectors are designed for quick insertion and removal of documents, effectively preventing edge damage and ensuring tear-resistant loading, making them suitable for frequent use; They protect and maintain accessibility in any 3-ring binder Durable Material: made of crystal-clear polypropylene, they are durable, resistant to wear and tear, and acid-free for safe storage; They provide high-end protection for documents and photos, office supplies, and page storage, making them ideal for protecting important files Versatile Storage Solution: Ideal for documents and photos, office supplies; Waterproof and stain-resistant to keep documents safe, 30-pack affordable bulk options to meet various needs