Car Supplies Lumbar Support Memory Foam Car Backrest Lumbar Cushion Seat Cushion Lumbar Pillow, Colour: 4D Grid Black 1. Material: memory foam inner core, breathable mesh clothcrystal velvetcotton 2. Craft: splicing design 3. Applicable people: general 4. Scope of application: vehicle 5. Size: about 48x23x11 cm Features: 1. Convenient buckle design, easy to install, firm and not easy to move 2. Invisible zipper, easy to remove and wash 3. Comfortable waist support, lightweight support, small waist gap and no suspension, reduce waist soreness, relax the lumbar spine, and provide strong comfort 4. 3D support, fit the waist, not tired after sitting for a long time, functional partition, comfortable fit 5. With C-shaped embracing waist support, a raised module is designed in the cross T-point area of the human waist and lumbar spine, and the position of the T-point can be adjusted by adjusting the back of the car seat according to different sitting postures 6. Slow rebound memory foam inner core, 3-5S slow rebound, uniform pressure absorption, dispersion pressure, strong support 7. A variety of fabrics are available, soft and comfortable, breathable and not easy to be stuffy