What you get: we provide you with 100 pieces library card holders, and 5 sheets (100 pcs)double sided adhesive dots, sufficient quantity can satisfy your needs and replacement. Various colors: these small envelopes are made of kraft paper, can be applied for gift decoration. Product dimension: each library card envelope measures approx. 5 x 3.5 inches/ 12.7 x 8.9 cm with non-adhesive, and the double sided adhesive dot measures 0.39 inches/ 1 cm in diameter. DIY according to your like: these envelopes can be applied for DIY crafts in the classroom to create more fun for children, the envelopes are blank and can be applied for painting and games. Versatile application: these envelopes are not only applied for library card pockets, but also for students to write letters, handicraft lessons, classroom activities, games, etc.; They can also be applied to store coins, stamps, greeting cards