Welax-S7 Ergonomic Office Chair
Estimate delivery times: 1-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Quantity | Discount |
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2-5 | 5% |
6-9 | 7% |
10+ | 10% |

Welax-S7 Ergonomic Office Chair
1. Three-Button Precision Control
Effortlessly adjust seat height, recline angles (95° / 104° / 111° / 119°), and arm positions with a clean, intuitive three-button interface—no complicated levers or switches needed.
Each setting streamlines your workflow: switch between active focus and relaxed posture in a single tap
2. Wired Control Base for Reliable Stability
The wired control chassis ties all adjustment functions into a stable, durable base. You’ll experience consistent, responsive control during long hours, without loose parts or wobble.
Built to endure vigorous daily use within the 300 lb weight capacity
3. Tailored Comfort for Every Task
Breathable mesh back plus lumbar support keep your posture aligned and airflow optimal throughout the day.
Compact but substantial, the S7 fits seamlessly into both home offices and collaborative workspaces
4. Durable Build with Sleek Labels
With dimensions of 28.9″W × 28.9″D × 43.5–53.1″H and a class-4 gas lift, the chair balances sleek modern design with lasting durability.
The sturdy wired control base reinforces the premium build quality of the S7.
Product Dimensions | 28.9" W × 28.9" D × 43.5"–53.1" H |
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Seat Height | 19.1"–23" |
Seat Depth | 16.9"–19.1" |
Seat Width | 20.5" |
Armrest Height | 7.5"–10.8" |
Headrest Adjustment | 2D headrest |
Backrest Adjustment | Yes |
Armrest | 3D armrests |
Hydraulic Gas Piston | Class 4 gas lift |
Back Recline Positions | 95° / 104° / 111° / 119° |
Recommended User Height | 61"–73" |
Weight Capacity | 300 lbs |
Product Weight | 52.9 lbs |
Package Dimensions | 26.4″ × 25.6″ × 19.3″ |
Package Weight | 61.7 lbs |
Number of Packages | 1 |

Omidi Shipping Policy
- Free Shipping: All orders ship free to the 48 contiguous U.S. states. We do not ship to Alaska, Hawaii, Puerto Rico, Guam, U.S. Virgin Islands, APO/FPO, or PO Boxes.
- Processing & Delivery: Orders are processed in 1–3 business days and delivered in 1-6 business days via UPS/FedEx. No shipping on weekends or holidays. Delivery may be delayed by weather, holidays, or high order volume.
- Warehouses: Orders ship from our nearest U.S. warehouse for fastest delivery.
- Order Changes & Cancellation: Email support@omidifurniture.com immediately for changes or cancellation. Once shipped, orders cannot be changed or canceled.
- Tracking: You’ll receive an email with tracking once your order ships.
- Returns/Exchanges: Please see our Return & Refund Policy.
We strive for smooth, reliable delivery. For questions, contact support@omidifurniture.com.
Omidi Return & Refund Policy
You may request a return or exchange within 30 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.