500-pack of sheet protectors for organizing, storing, and protecting 8.5-by-11-inch sheets of paper Made of heavy-duty PVC-free polypropylene (.08 mm thick); clear finish for transparent visibility and a professional appearance Top loading for easy insert and removal; ideal for project info, work proposals, school reports, and more Pre-punched holes down the side; easily fits any standard 3-ring binder (no need to punch holes in the paper inserts) Measures 10.8 by 11.7 by 4.5 inches; backed by an Amazon Basics 1-year limited warranty