Filexec Products 20000-9 File-A-Flash 2 x 3 inches Binder Ring Easy Flip Flash Cards, 75 Unruled Colored Pages, Pack of 4, Clear Durable Poly Cover, Tuck-in Closure Easy Flip Flash Cards 2"x3" with Binder Ring Flip Mechanism 75 Unruled 130 gram Colored Pages Great for Notes and Studying