Filexec Products File-A-Flash 2 x 3 inches Binder Ring Easy Flip Flash Cards, 75 Unruled Colored Pages, 4 Pack, Clear (50294-20000) Durable Poly Cover, Tuck-in Closure Easy Flip Flash Cards 2 x 3 inches with Binder Ring Flip Mechanism 75 Unruled 130 gram Colored Pages Great for Notes and Studying