EASY TO INSTALL: Adhesive mounting disc fits all 8.6cm diameter suction cup mounts to adhere to dashboards. High Tack Adhesive: Adhesive mounting disc supports your suction cup mount or your smartphone and camera safely on the dashboard. Instructions for use: clean the area to be fixed and keep it dry. When the tape is stuck, apply proper pressure evenly, please hold for 10-30 seconds. Step 3. After pasting, it is recommended not to use immediately, to maintain the stability of the glue later, the better the effect after 24 hours of pasting, the longer the pasting time, the stronger the adhesion. Easy to RemoveThese high-strength double-sided adhesives allow you to quickly and easily create a durable, almost instant bond with no drying time. It also resists heat and moisture, and protects adhesive surfaces from scratches, removes easily without leaving a sticky residue. 3 x 80mm round stickers.