Bayan Universal Car Headrest Mount for 7-10.1 Inch Tablet-Version 6 Elastic Velcro strap is designed to attach around headrest posts. Search B00K4PJ4D0 for extension strap if you need attach tablet to actual headrest instead of headrest posts. Tablet attaching to posts achieves secure mounting. No shaking even on bumpy roads. One year warantee. Contact us at fullmartusa@gmail.com if you have any question or problem.