Features: Reliable and serviceable: These index cards with holes are made of quality paper, weight in 56 LB cover, stable in structure, not easy to break or fade, in exquisite workmanship, can serve you for a long time. Ideal gifts: Our index cards with ring are not only suitable for your own use, but also suitable to share your classmates, desk mates and friends, and can be applied in DIY gift boxes to surprise others. Specifications: Material: quality paper, metal Color: as shown in the pictures Size: Index card: about 3 x 5 inch/ 7.62 x 12.7 cm Index card ring: about 1.18 inches/ 3 cm Package includes: 1440 x Colored index cards 24 x Flashcard rings Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.