Konfurb Luna draws inspiration from the minimalist design of traditional Japanese stone gardens, using less to achieve more | It is an active seating chair, designed to improve posture by encouraging natural movement and flexibility | Featuring a breathable mesh back and adjustable lumbar support | It is the perfect office chair for home offices or shared spaces, adjusting to everybody's unique needs | The Konfurb Luna chair is supported by the following internationally recognised standards: AFRDI 142 Rated Load 160kg Single Shift Certificate and GREENGUARD Gold Certification | Features | Breathable mesh back | Large nylon base with 65mm castors | High-density polyurethane seat foam for durability & comfort | Depth adjustable seat slide | Lockable, synchronised seat & back tilt with tension adjustment | 4D Height adjustable arms | Adjustable lumbar support (Black: black lumbar, Grey: clear lumbar) | 10-year guarantee (excluding upholstery) | Tested to ANSI/BIFMA x5.1-2011 General-Purpose Office Chairs