C-Line Memory Book 12-Inch-by-12-Inch Swinging Shutter Page, Super Heavyweight Clear 3-Pack
These protectors have a built in panel on both the right and left edge that close to meet in the center like a shutter. Simply open the 2 shutters to reveal what is underneath. The universal hole punch works with 3-ring strap and postbound albums. The extended binding edge allows pages to lay flat. Acid free.