Office Chair Cushion Dimensions: Seat cushion 17.7 x 13.8 x 2.8 inches, lumbar support pillow 13.4 x 12.6 x 4.7 inches. Adjustable straps on lumbar pillow fit various chairs and heights.Back and Seat Cushions Premium Memory Foam: High-density memory foam, soft and firm. Ergonomic U shaped hollow design contours to hip curves, improves blood circulation, alleviates lower back pain and sciatica from prolonged sitting.Breathable Cover & Non-slip Bottom: Removable, machine washable mesh fabric cover. Breathable material promotes airflow, prevents heat buildup. Silicone particles at the bottom ensure excellent non-slip performance.Relieve Pressure & Back Pain: Seat and lumbar cushion provide great back support, relieves tailbone pressure pain, helps with sciatica, herniated disc, hemorrhoids and injured tailbone.Lumbar Support Cushion Versatile Usages: Suitable for office chairs, desk chairs, gaming chairs, car seats. Reduces fatigue and boosts work efficiency for long office hours, a great gift for family and friends.
