GRIN HEALTH SIT-RIGHT - SUPPORT FOR BACK AND LUMBAR with premium high density memory foam.? Extra thick lower back & lumbar support, no slouching. The shape helps facilitate a healthy posture. Perfect for lower, middle & upper back. —You may feel a slight discomfort the first few days but that is normal as your body starts to adapt to its correct form. WHOLE-BACK POSTURE THERAPY Smaller lumbar cushions can be great - but if you have upper back and/or shoulder pain, they don't have much to offer you. This SitRight Lumbar cushion covers your whole back, from your lats to your lumbar spine, for healthy, whole-back posture correction. Your lower back gets the love and support it needs - without neglecting your mid and upper back (because they need support too!).? 100% PURE PREMIUM HIGH DENSITY MEMORY FOAM Made with 100% premium-quality firm yet comfortable memory foam. We also offer with 3 different firmness available soft, medium and extra firm, read i.e. Product disclaimer-Warranty details-Seller information.? All materials are non-toxic, phthalate, latex, lead & BPA less, CE Certified. Anyone who require strong lower back or lumbar support. ? Ergonomic therapy cure lumbar support cushion Widely used ? Lightweight & portable Ideal for office or computer desk users, in car, at home, travel.