[25PCS BOOK CHARMS]: You will receive 25pcs resin book charms, large quantity resin book charms can be used for Teacher's Day gift making. A plastic box is included to help you store and protect your resin charms.[RESIN CHARM]: The book charms are made of resin, water proof and no color fade, can be used for a long time. The loops are made of iron, can be screwed off, easy to use.[SIZE]: Book charms: 31x25x5mm/ 1.22x0.98x0.2inch, hole: 2mm. Plastic box: 7.4x10.8x1.4cm.[DIY FOR FUN]: Flatback charms can be glued on your purse for decoration, and the resin charms are also perfect for pen decoration. You can make book charms earrings, necklace, bracelets etc and give the handmade objects to your teachers on Teacher's Day!