Adjustable Straps and Wide Range Application: -- There are adjustable double-straps to keep backrest for chair in place and prevent the lumbar support cushion from sliding down. The back seat cushion is perfect to use in most office chair, armchair couch, car seat, wheelchair & recliner seat etc. Supportive Design: Our lumbar support pillow is designed for upper, middle, or lower back. You will sit more comfortably with this seat back cushion, especially when you driving or working during siting long time. Breathable and Washable Mesh Cover: -- POOTACK back support cushion keeps with breathable and removable mesh cloth, keeping your back cushion breathable & comfortable all day long, and the mesh cover is machine-washing available, suitable for all seasons. High Density Proper Firmness Memory Foam: -- POOTACK back support for office chair uses high-quality, precision-molded memory foam that maintains its shape and support over time. It provides consistent lumbar cushioning for a comfortable sitting experience. The Gift for Lasting Comfort: POOTACK lumbar support cushion is the thoughtful present for parents, office workers, drivers, gamers, or anyone who spends long hours sitting - delivering real daily comfort they'll actually use. Perfect for Mother's Day, Father's Day, Valentine's Day, birthdays, anniversaries, holidays, or housewarmings - any occasion to show you care.