Our weekly planner covers use 8ply 100% conservation quality mat board that’s fade resistant and acid & lignin-free for a super sturdy notebook. The insert pages are 105gsm thick, smooth, off-white paper to hold up to your favorite pens without bleeding. Weekly spreads are undated to allow flexibility in your week-to-week schedule. Held together with 2:1 pitch bronze binding wire. Designed, printed and packaged in our Lawrence, Kansas studio.