Bayan Car Headrest Mount Holder for Kindle Fire HD 8.9''-Version 4 Only fit Kindle Fire HD 8.9''. Not fit HDX 8.9'' model. Search B00MTAUJFK for HDX 8.9''model 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.