Big Sticky Notes - Flag
Add some retro sovereign flag look to your books! Make it stick anywhere to make reminder. Or use as page flag to mention the points of that page. If you always forget something important, maybe you can try to use a sticky note to record and remind you. Such as use it on a your computer, a book, refrigerator, desk or wall etc.
Size: L = 5.5 cm, H = 5.5 cm