Premium lumbar support pillow by ELY Medical Materials - Advanced all-in-one support: rear lumbar support for office chairs and home use, plus a seat pillow for tailbone relief and a car seat pillow for driving. It offers more than a standard sciatic relief pillow by addressing multiple seating needs. - Contours to your shape: memory foam molds to your individual curves and retains its shape while distributing weight evenly. This helps reduce pressure and improve comfort during long seating periods. - Cooling gel for comfort: internal cooling gel layer helps reduce sweating and discomfort, keeping you comfortable whether you are at a desk, in a car, or relaxing at home. - Durable and versatile: built with a rock-solid design and high-quality materials. Comes with two removable lids in black and gray for easy cleaning and customization. Suitable for heavier users while maintaining comfort during extended sit periods. Key attributes - Function: lumbar support, tailbone relief, and car seat comfort in one pillow - Compatibility: designed for office chairs, home seating, and car seats - Material: memory foam with an integrated cooling gel layer - Performance: maintains shape under weight, distributes pressure evenly, reduces heat and moisture 2-3 practical use scenarios - Office or home workstations: place the pillow on your chair to support the lower back, reduce tailbone pressure during long workdays, and improve overall seating posture. - Car driving and commuting: use as a car seat pillow to provide lumbar support and tailbone relief on long drives or frequent trips. - Relaxed seating at home: use while watching TV, gaming, or lounging to minimize pressure points and stay comfortable during extended sitting sessions.