The uniquely designed "Spinelly" is designed to support your body's support bar - the spine. With a flexible backrest, the chair moves with your body comfortably and provides ideal comfort. The weight-sensitive mechanism automatically adjusts the stiffness of the swing according to the weight of the sitter. There are gray elastomer joints between the backrest, which will guarantee the flexibility and mobility of the backrest and supports it throughout the long working day. Choose a timelessly stylish black or modern white and make your office unique.