There is a raised area on the back of the plastic sheet. It will be folded flat for shipping to save on shipping volume. Thank you for your understanding. D-UP Eyelash Glue Super Fit 501N Features: The glue comes off cleanly, making your false eyelashes last longer. Thank you for viewing. *Please check the photos and profile for details. Feel free to ask any questions. *Instant purchase is welcome, and midnight silent purchase is OK ◎ *Bulk purchases are welcome, please feel free to comment. *Free shipping! *We will ship anonymously. *Returns and refunds are not accepted to prevent product substitution. *Please refer to the profile for shipping information. We will ship via anonymous delivery. * We will check the condition of the product before shipping. We also guarantee that the photographed product will be shipped as is.