Natural Cork Strips: The self-healing surface of cork can heal unsightly pinholes, making it durable and sustainable for use. Suitable for placing memos, document paper, and information notes. Pre-adhesive: Easy to Install, The back of each aluminum bulletin strip is pre glued with a highly adhesive tape. When installing, simply peel off the outer sealing layer of the tape and then press it onto a smooth wall surface to complete the installation. This greatly saves your time and energy. Note: The adhesive is very strong. It is recommended to mark the exact position on the wall with an erasable pen before installation, avoid damage to the wall during the tearing and adjusting position. After installation, please wait for a few minutes until the adhesive fully adheres to the wall before nailing in to hang your items. Widely Applicable: These aluminum frame cork strips are both sturdy and stylish, taking up minimal space while meeting your daily document display needs. Suitable for smooth painted walls, tiled walls, wooden doors, glass doors, and other smooth and flat surfaces, it is a good choice for use as bulletin boards in offices, schools, and homes. The packaging includes: 5 pieces of 90cm long aluminum strips (embedded with cork strips), and a box of file push pins (approximately 50 pieces). Cork Strips Bulletin Board Strips for Wall