B08SQL71W9 Insbes Cross Legged Office Chair – Posture Corrector & Lumbar Support for Car, Lower Back Support for Tailbone Pain Relief, Foldable Seat Cushion(Grey, 15 x 16 x 9 inches)

Make sure this fitsby entering your model number. Elegant Posture – The chair cushion adjust the natural s-arc of the whole spine by support the fifth spine. Correct bad sitting posture, tailbone pain relief, great back support for office chair & car Ergonomics Design – Ergonomics radian Support pelvis Build up hips and shape legs,lower back & lumbar support. Active matching hip, slow rebound release pressure, breathable and comfortable Japanese-Design – Portable seat cushion chair is foldable for storage. Easy to carry, leisurely sitting, comfort anywhere. Quality Materials – Elastic cuhsion made of air fabric layer and high elastic cotton, Detachable and washable cushion, support 300lb weight. If We Build It, We’ll Back It: Our got your back guarantee covers Any use of damage for the lifetime of the product. it is recommended to control within 60 minutes each time at first if you aren’t comfortable. It is the process of changing to the correct posture.