Packing list: fashionable and practical, Can be clipped to the sides and vertical sides of books; Dimensions: soft and elastic. It is not easy to fade after long-term use and can be washed; Intelligent design: Book mark can automatically follow you to turn pages and remember the pages you read very well. This is a very convenient function. You don't have to worry about forgetting the pages you read or study; Widely used: suitable for students, writers, , etc. This smart bookmark helps you mark book pages and insert them into novels, textbooks, journals, papers, , diaries, magazines, etc.; Best gift: Smart follow reading bookmark is the best gift for friends and family, not only as a bookmark, but also as a gift card, decoration, etc. Material: Silicone + metal colour: Multicolor Package Contents: 12 x Smart Bookmark Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.