School Smart Laminating Film is ideally designed for roller laminators with 1 in. core 1-1/2 ml. roll that is perfect for office or school and is used to laminate flashcards, charts, certificates, posters, bulletin board materials. 27 in. x 500 ft. Laminating film features a high gloss finish with an excellent write-on or wipe-off surface that offers security against tearing and wrinkling for added durability.