Size: 8-1/2”×11” letter size; Package: 25/pack These covers can be used in nearly all thermal binding machines. CAPACITIES are based 55 sheets of 20lb paper. Transparent front cover highlights title page Thermal binding covers with clear fronts and a Glossy Black linen finish spine and back Thermal binding covers feature durable, heavy gauge material Give your reports, presentations, and proposals a polished, professional finish with RAYSON Thermal Binding Covers. Designed for use with thermal binding machines, these premium covers feature a durable clear front to showcase your title page and a sturdy black linen-textured back for a sleek and elegant look. Each cover comes pre-glued with a strong adhesive spine, allowing for quick and secure binding—no punching or stapling required. Perfect for office, school, or business use, these covers are compatible with most standard thermal binding machines and are ideal for binding up to 6mm thick (approx. 1–55 sheets of 20lb paper). Whether you're preparing client-ready materials or organizing important documents, RAYSON covers deliver a clean, book-like result every time.