1. This non-slide mat is made of soft PU gel, it is with super strong stickiness, Reusable, removable, washable, recyclable and environment friendly. 2. Non slipping, non sliding, non toxic. 3. Holding all your digital devices, radar sensors, sunglasses or coin securely on your car/dash without adhesive or sticky residue. 4. Great idea for gift and promotional purpose, also good for selling.