These are square, measure 3.25 by 3.25 inches. 150 full color sheets per note pad. Brooches are NOT removable. Each notepad is embellished with gold or silver foiled colors, and have 150 full color sheets. Perfect as a party favor, as a wedding or shower gift, for a hostess gift, as a small "anytime" and "just because" gift. Use them in goodie bags, for a school teacher. Handy in the purse, in any small corner in the house where a pad comes in handy, on a desk, by the phone etc.