These note cards with rings are ideal for studying and a must-have for students of all ages. Use these ring flash cards to quiz yourself daily to improve your vocabulary, study a specific subject, or learn foreign languages. These blank flash cards for studying are sturdy and thick enough that ink will not bleed through. The mini flash cards measure 2.2 x 3.5 inches, which is ideal for on-the-go studying. This pack includes 32 packs of blank flash cards with rings.