For vertical catalogs, choose between 10 pt. Cardstock Gloss and 70 lb. Paper Gloss. Both offer a lightweight, glossy finish for vibrant colors. Suitable for catalogs, letterheads, envelopes, brochures, and invitations. Best written with oil-based ballpoint pens or permanent markers; testing is recommended. 70 lb. Paper Gloss needs scoring before folding. Size variance is ±3mm. 8.5" W x 11" H