We are fully committed to providing customers with high quality products, we have made improvements to upgrade all SONGMICS office chairs as follows. 1. High-density and thickened foam padded seat offers comfortable sitting and are not easily deformed after long term use. 2. All parts and screw box are in plastic packaging and numbered to prevent from loosing or missing. 3. Anti-loose screws can effectively prevent screws from loosing after a long time use. 4. Casters are easily damaged parts, but we offer you more premium quality PU mute casters than similar products, and additional two spare casters of the same material. 5. All models are equipped with spare screws for assured use. 6. Armrests can be folded back for easy storage under the table. Specifications: – Materials: PU, High Density Foam, Steel, Nylon – Color: Black – Base Diameter: approx. 27 1/2” (approx. 70cm) – Overall Height: 44 1/8” – 48 1/8” (112-122cm) – Backrest Height: 29 7/8” (76cm) – Seat Size: 21 1/4”W X 20 1/8”D (54 x 51cm) – Seat to Ground Height: 17 3/4” – 21 5/8” (45-55cm) – Max.Load: 330.69Ibs (150kg) SONGMICS Notes: – Please face the side marked”FRONT” on the tray forward when assembling. Package Contents: – 1 x SONGMICS Office Chair – 1 x Bag of Fittings – 1 x Instructions
- DURABLE AND STABLE: For the highest safety and stability, these accessories of swivel chair have been upgraded, among which these armrests and casters have been tested by the supplier and passed by BIFMA; the test report no. for the armrests is AJD201000874 and for the casters is AJHL1604003668FT; adopts large five-star castor base with diameter of 27.5” (70 cm)
- HIGH ELASTICITY AND SILENT CASTERS: Desk chair excellent PU fabrics and high-density organic polymer foam offer high elasticity and are not easily deformed after long term use; casters are made of premium quality PU with less damage to the floor and a good muting effect, and suitable for hard floors such as parquet, laminate, ceramic tile, PVC etc.
- COMFORT COMES FIRST: Thoughtfully designed headrest of computer chair fits human arc and thus relieves neck fatigue; bilateral arc backrest, based on the curvature of the waist, relieves stress on the spine and protects the lumbar area; armrests with ergonomic shape of bow make arms totally relaxed
- EXQUISITE DESIGN: Adjustable seat of executive chair height of 17.75” – 21.63” (45-55 cm); folding armrests for easy storage and saving space; anti-loose screws ensure its safety
- SPARE PARTS: Numbered parts for easy assembly; extra wheels and screws included for future replacement; 30-month warranty