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【Zone Wrap Design,Comprehensive Support Waist Back】This cushion features an ergonomic design with low rebound lumbar support, point surface combined with multi-dimensional support, zone hug design, seamless fit to the waist, providing ample support for your waist, adjust the padding to withstand pain. Full coverage of lower back and pain points and naturally straightens your waist to reduce strain on your lower back. Guide correct sitting position and relax your back: Suitable for people sitting for long periods of time. Using this back pain cushion fits very well on your back, close to the S-shaped curve of your back muscles and spine, to guide proper sitting posture. Relax your back and achieve a fatigue-free effect even when sitting for a long time. (Note: This product only assists with proper sitting posture, and cannot be corrected for sitting position. 【Excellent Material,Creative Process】The waist cushion and inner core of the adjusting pad are made of two different density space memory foam, and the adjustment pad uses a durable type of memory foam to provide a strong sense of support, and accurately position the pain area to provide support and release pressure. The backrest cushion uses soft memory foam to gently support your lower back. The waist cushion cover is made with new Air Cooled fabric that has excellent breathability and sweat absorption, so it wont get stuffy for a long time. The jacket has an invisible zipper design, disassemble and assemble repeatedly for easy replacement. The lower back pain cushion uses a highly elastic back buckle design that can reach a circumference of 66.2 inches (168 cm) when lifted, allowing it to fit a variety of seat models. EU CE Safety Certification: In order to provide a safe and secure product, this product has been designed patent and the material has passed EU safety certification. It is highly recommended for those who work for long periods of time or drive long distance, and if you want a comfortable sitting experience, and it makes a great gift for birthdays, Valentines Day, Mothers Day, Fathers Day, etc. Product Specifications: Waist pillow size: 16.9 x 16.9 x 3.7 inches (43 x 43 x 9.5 cm); Adjustment cushion size: 6.5 x 2.8 x 1.8 inches (16.5 x 7 x 4.5 cm); Note: Please check the size of the product when you purchase. Jacket Material: Air Cooled fabric, Inner Core Material: Sup-System multi-dimensional support memory cotton. The product comes with application instructions. Exquisite packaging box makes it the perfect gift for birthdays / Fathers Day / Mothers Day etc. This is a high quality product so you can buy with confidence. If you have any questions, please email us and we will reply you within 24 hours. "