LANGRIA Lumbar Support Back Pillow Car Seat Cushion, Double Use and Ergonomic Design for Lower Back Pain Relief and Seat Support, Memory Foam with Elastic Strap for Office Chairs (Navy Blue) DOUBLE USE DESIGN: the cushion has been designed to be used as (i) a lumbar support that contours to your back to reduce stress and alleviates lower back pain; (ii) an elevated back section help to promote a healthy sitting posture when use it as a seat cushion STRONG ELASTIC STRAP: for a better and more comfortable use, this product can be fastened to your seat with its elastic strap, to ensure that it remains in a good position during your hours seated on the car, at the office or at any hard surface ODOR NOTICE: there might be a minor odor associated with a new pillow due to the manufacturing process; please note that it is a non-toxic odor that will fade away within the following 72 hours after unpacking the pillow CARE: for a better and longer use of this pillow remove the machine washable navy blue cover, please do not machine wash or machine dry the foam pillow; tumble dry low heat; do not bleach, do not dry clean NO CHEMICALS: the cushion has the CertiPUR-US certificate for safe materials, environmentally-friendly and high performance. Its free from harmful chemicals with less than 0.5 parts/million VOC emission