Find the Pacon® Zaner-Bloser™ Grades Pre-K & K Sulphite Handwriting Paper, 500ct. at Michaels. com. These white sulphite paper sheets are printed on both sides with a red baseline and a dotted blue midline, making it easier for pre-k and kindergarten students to legibly communicate. These white sulphite paper sheets are printed on both sides with a red baseline and a dotted blue midline, making it easier for pre-k and kindergarten students to legibly communicate. It also helps build a solid foun