Sit more comfortably anywhere - even for long periods on hard chairs and benches. This portable cushion combines medical-grade gel and memory foam for firm yet cushiony comfort. The two separate panels distribute your bodyweight evenly to support your back and reduce lumbar pain, while the cutout u-shape suspends your coccyx to reduce pressure on your spine. | mysmartbuy Memory Foam & Gel Filled Cushion - Lower Back Support Orthopaedic Posture Pad - Measures 45 x 42 x 5cm in Black | Size: 45 x 42 x 5 cm