Premium Material: The dash pad is made of ABS plate and strong adhesive, sturdy and for long time use. Diameter: 9.5cm /3.74 Inch. Upper part ABS plate provides smooth and flat surface. The bottom strong sticky PE foam adhesive fixed dashboard textured surface. Wide Compatibility: The dash mount could be applied to the smartphone mount, car camera, GPS suction mount and more. It performs perfect at any seasons. Heat-resistant and moisture-resistant. It could adhere to vertical surfaces, soft-touch dashboards and windshields. Tips: The AYWFEY adhesive mounting disk only works with any 95mm/3.74 inch or smaller than 95mm/3.74inch suction cup holder pedestal accessories.Please do not touch the adhesive with your finger. Select a ensure place to adhere and install, then do not move it again. Easy to Install: Ensure the contact surface clean and dry. Put the dashboard pad mounting disk on the flat surface. Tear off the protective film on the base of the disk. Press it down hardly for