S9 Pro Ergonomic Office Chair
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Description
Specification
| Product Dimensions | 28" W × 28" D × 46"-52.8" H |
| Seat Height | 19''-22'' |
| Seat Depth | 16.7''-18.9'' |
| Headrest Adjustment | 3D headrest |
| Backrest Adjustment | 5-level |
| Weight | 48.06 lbs |
| Weight Capacity | 300 lbs |
| Base | Aluminum alloy |
| Base Diameter | 25.6" |
| Caster | 65 PU nylon silent casters |
| Hydraulic Gas Piston | Grade 4 explosion-proof gas lift |
| Materials | German imported suede |
Buy In Bulk
| Quantity | Discount |
|---|---|
| 3-4 | 3% |
| 5-9 | 5% |
| 10-29 | 7% |
| 30+ | 10% |
Return & Refund Policy
Welax Return & Refund Policy
You may request a return or exchange within 60 days of receipt. Items must be in original packaging and saleable condition.
- Free return shipping if item is defective, damaged, lost, or incorrect.
- Customer pays shipping if due to preference, no longer needed, or incorrect info provided.
- Refunds are processed within 2–5 business days after inspection (may take 3–7 business days to reflect).
- Report any missing or damaged items within 7 days.
- The compressed sofa is not eligible for return or exchange after being unpacked.
For more details, please refer to our full Return & Refund Policy on the Returns page.
S9 Pro Ergonomic Office Chair
Ergonomisches-Design
Designed to Support Your Body Naturally
Full Body Ergonomic Support
Experience comfort from head to waist. The adjustable headrest supports your neck, the curved backrest aligns your spine, and the dynamic lumbar cushion relieves lower back pressure
Fully BIFMA certified
Backrest tested to 120,000 fatigue cycles
Seat cushion durability tested to 100,000 cycles
Base tested to withstand ~300 lbs impact and ~2,500 lbs static load
Armrests tested to 60,000 fatigue cycles
Gas lift tested to 100,000 lift cycles
Castors tested to 100,000 rolling cycles
Smooth & Silent Rollers
Low-noise PU wheels glide silently, perfect for home or office use.
Heading
SGS Class‑4 gas lift for smooth, durable height adjustment.
Premium German Mesh
Made with imported German mesh for superior breathability, durability, and lasting comfort.
About the factory
established in
2009
More Services
Shipping
Free & Fast Delivery
Packaging
Secure & Eco-Friendly
Service
Support & Guidance
Warranty
Up to 10-Year Warranty
Returns
60-Day Return Policy
Payment
Secure & Flexible Checkout
