The seat cushion is scientifically designed to wrap around your thighs and lower back, allowing you to sit straight in any chair. Improves posture and provides comfort even when sitting for long periods. The ergonomic shape guides your spine into the correct posture, keeping it straight. It distributes the weight of your lower body, making it comfortable to sit for extended periods. Comfortable for working from home. Supports your back and lower back, and firmly supports your buttocks, no matter what chair you sit in. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ✿.•Instant purchase welcome・Silent midnight purchase OK•.✿ *First come, first served for one item♬.*゜ *Welcome to bulk purchases, feel free to comment ♥Free shipping ・Please understand that items are stored at home and shipped in simple packaging. ・Please check the actual photos for the condition of the product♪ ※To sell at a slightly lower price, we may ship the item without the box due to shipping costs. ・We inspect the products before shipping, but if there are any defects, please contact us "before evaluation." ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ Benazcap X Large Memory Seat Cushion for Office Chairs, Pressure Relief, Sciatica and Tailbone Pain Relief, Memory Foam for Long Sitting, Firm Coccyx Pad, Upgrade for Office Chairs, Gaming Chairs, and Car Seats 1838.14711.7