Dreamer Car Head Pillow for Car with Adjustable Strap for Car Seat, Balanced Softness Memory Foam Travel Pillow Headrests for Car Designed to Relieve Neck Pain and Muscle Tension,Black RELIEVE NECK PAIN and MUSCLE TENSION: Head pillow made of high density memory foam features Balanced Softness and Comfortable, which designed for absorbing the pressure on your head caused when driving for long hours, relieving neck pain and muscle tension. COMFORTABLE SUPPORT to YOUR HEAD:Ergonomic streamline molded headrest pillow perfectly fit your body curve and provide comfortable support to your shoulderneck and head without hanging, keep comfortable and safety driving posture. ELASTIC STRAP ADJUSTABLE ENOUGH: Elastic strap and adjustable clip designed, WOULD NOT CAUSE HEADREST to SAG AFTER USING FOR LONG TIME,so you can adjust the height of your car head pillows for driving you want. TWO COVERS: Machine-washable cover of car headrest made of updated polyester fiber material is durable and breathable than the one before, INNER COTTON COVER which can not washable extends the durability of foam core,all material are completely odorless. 1 YEAR GUARANTEE: If you are not 100% satisfied with your head pillow for the car,contact Customer Support before amazon service. Return it within 1 year since the purchase date, then we will send you a free replacement or give you a refund. We all know there is a gap between car seat and our head or neck.Driving for long time easily causes numbness of muscle from our neck, and it easily triggers a variety of cervical problems. This ergonomic streamline molded head neck pillowfills this gap with enough amount of memory foam , which provides support to your head, neck and shoulder. It supports your head,relieves neck pain,relaxes muscle tension and improvesyour driving posture. But note: some people only a doctor can provide pain relief for their symptoms. 1.All memory foam products are sensitive to the temperature.Even Dreamer Car travel pillow head supportmay become a little hard in very cold winter, but you will feel comfortable after 5 minutes usage because of the heat from your body. 2.After you use this headrest,it is better to adjust the <span class="a-text-bold">angle</span>of your car seat than you usually drive.If not,the headrest would put forward your head so that you may feel a little uncomfortable. 3.We have updatedthe material of the pillow cover which is thicker and durable than the one before.This material seems to collect hair and debris easily than the one before.It is recommended to use vacuum cleaner to clean up the dust regularly. 4.Experience from most customers: <span class="a-text-bold">80%</span> support to your <span class="a-text-bold">head</span>, 2<span class="a-text-bold">0%</span> support to your <span class="a-text-bold">shoulder</span>.