Bayan Car Headrest Mount for Kindle Fire HDX 7 Inch-Version 4 Will only fit Kindle Fire HDX 7 .Not fit previous Kindle Fire HD 7 and all new Kindle Fire HD 7. Elastic Velcro strap is originally designed to attach around headrest posts. Search B00K4PJ4D0 for extension strap if you need attach tablet to actual headrest instead of headrest posts. One year warrantee.We provide free replacement within one year of receipt.