Leband Ergonomic Adjustable Backrest for Office Chair Double torsion spring design to

Double torsion spring design to dynamically buffer and disperse pressure

Our ergonomic footrest hammock is made of 100% premium foam

The ergonomic chair cushion is made of high-quality ABS material

the height of both sides is the same

【A Built-in Wireless Charger】 Leband electric standing desk gives you the option to wirelessly charge your phone without pesky cables

Leband Ergonomic Adjustable Backrest for Office Chair Double torsion spring design toDynamic back support The Leband adjustable ergonomic back cushion dynamically supports the back and relieves the pressure on the spine. The backrest adopts a wrap around design to cater to the natural curvature of the human spine. The backrest will automatically adjust the force direction according to the supine posture, and transmit the pressure of the spine to the supporting backboard, so that you can sit for a long time without getting tired. One