Let's Stationery Goods My Sticker Coordination Book 2 sets of sticker sheets, 20 sheets per set Usable on both sides Perfect size for Mine binder (refill) Unused and unopened The paper is thin and flimsy. The ballpoint pen in the image is for size reference only and is not included. 127mm x 80mm Please refrain from purchasing if you are concerned about minor details. Please check the official website for more information.