【Attention Before Purchase】The headrest pillow can fit for most car seats with rise-and-fall headrest poles, please make sure the inside width between two metal poles is within min 2.5in (6.5cm) -- max 5.7in (14.5cm).Please confirm there’s a metal rod on your car seat before purchasing; see our image to check if your seat is compatible,Attention that any seat without metal bars cannot be installed and used! 【360° Rotatable Sleeping Pillows】The both sides car headrest pillow can be rotated 360° to fit for different heights of passengers, suitable for adults and kids over 4 years old. When no use, just lift the pillows up to save space.Please confirm that it can be installed on the car seat before purchasing.Please contact us if you have any installation problems and quality issues 【Security of Safety and Health】The car neck pillows have passed the authoritative security test in Unites States, can protect your spine from deforming, relieve neck pain, head ache and carsickness. Let you enjoy health sleep with correct position.Most rear seats are not compatible. Car seats without removable metal rods cannot be installed. Please check the seat model before purchasing. 【Durable and Stable】Friendly material has no harm to skin. High quality leather and built-in soft 4CM memory foam provide comfortale experience, sweatproof and durable. Velcro design is convenient for removing to clean and wash.The car pillow is designed to be installed only on car seats with 2 metal support rods. If your car seat does not have these rods, the product may not fit securely or function as intended. 【Patent Protect and Easy to Install】Easy installation without any tools, please watch the video or user manual in package if you have any questions about installation. You can also contact us at any time, we provide 7*24h after-sale service.Notice:Will not fit fixed or integrated headrests; Only suitable for installation on car seats with metal barsCar seats without removable metal rods cannot be installed. Please check the seat model before purchasing. 【NOT COMPATIBLE CAR SEATS】2014 Toyota Rav4, 2017 suv, Volvo XC60 2013 model, Hyundai Elantra, Subaru legacy and outback, Cadillac Escalade 2016, 2017 Dodge Journey, Ford Explorer 2003, Cherokee , GMC Acadia, ford explorer, volvo s90, Honda Pilot, 2018 Honda Odyssey, Jeep Wrangler seats, Q7, Odyssey 2018 seats, Honda minivan, Honda minivan, middle seat of dodge durango, minivan sea, jeep grand, cherokee 2nd row bucket seat, surburban, Tahoe seats, 2020 Serria Truck third row seats, tesla seats Heapany car headrest pillow is designed for helping people sleep better in the cars, enjoy a comfortable and happy road trip. This roadpal car headrest is made from premium leather, memory foam and durable ABS material. The adjustable design makes it fit most car seats with liftable metal poles, suitable for adults, children and other people with different heights.