Bagsinbulk.com is the most cost-effective way to fully stock your classroom! Best of all, all of our bulk school supplies ship for FREE! If you're looking to get all of your school supplies in a bundle, check out our school supply kits. Cheap bulk school supplies are hard to find, but not at Bags In Bulk! We sell wholesale school supplies such as rulers, glue sticks, sharpeners, crayons, folders, highlighters, pencils, pencil cases, pens, and notebooks.