2Pcs TK003 Ergonomic Car Seat Headrest Neck Pillow Lumbar Support Cushion Set - Coffee ?Lumbar support and headrest fits the human body curve based on ergonomic design to provide support and stability.It helps you maintain the correct posture during driving or office hours, thus alleviating the muscles tension or lower back pain ?Uses high density memory foam, soft and comfortable, slowly rebound, Keep the original shape ?Hundreds of breathable holes on the cover to help let out the gas from inside and to dissipate the heat after long time using, Which provides you a lasting comfort ?Lumbar support and headrest is very suitable for use in car seats, office seats, travel, family, study and long sitting.it effectively relieves back and neck/waist pain, numbness and tension during driving and sitting for a long time Specifications: ?Internal filling: memory foam ?External material: cloth ?Headrest weight: 0.335KG ?Lumbar support weight: 0.725KG ?Headrest size: length 30 x width 11 x height 20cm ?Lumbar support size: length 40 x width 10 x height 35cm Package included: ?1 x Headrest ?1 x Lumbar Support