Easy to install: the adhesive mounting disc fits all 8.6 cm diameter suction cup mounts to adhere to dashboards. High-tack adhesive: the adhesive mounting disc supports your suction cup mount or smartphone and camera securely on the dashboard. Instructions for Use: Clean the area to be attached 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 humidity, and protects adhesive surfaces from scratches, easily removed without leaving a sticky residue. Contents: 3 round stickers of 80 mm.