Breathable Fiber Cover for AllDay Comfort The pillow's breathable fiber cover is designed to keep you cool and comfortable, even on hot days. This feature helps prevent sweating and discomfort, making it ideal for allday use in your car. LongLasting Use Crafted with quality materials, these car pillows are built to last. The construction ensures they maintain their shape and support over time, providing consistent comfort every time you hit the road. Versatile Use for Neck and Lower Back These 2Pcs Memory Foam Car Pillows are for supporting both your neck and lower back. Ergonomic Design for Ultimate Comfort Our Headrest Lumbar Support Pillow for Car features a memory foam core wrapped in a breathable fiber cover, ensuring comfort and support for long drives. The ergonomic shape aligns with your neck and lower back, reducing strain and fatigue during extended periods on the road. Use scenarios On long road trips, daily commutes, and extended drives, these pillows provide sustained neck and lumbar support for hours of driving comfort. When multiple drivers use the same vehicle, the pillows can be used for different seating positions. For passengers who want extra comfort during long trips, the pillows offer reliable support for neck and lower back.