Sihoo M57 Ergonomic Office Chair, Computer Chair Desk Chair High Back Chair Breathable,3D Armrest and Lumbar Support

Sihoo M57 Ergonomic Office Chair, Computer Chair Desk Chair High Back Chair Breathable,3D Armrest and Lumbar Support

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High Quality - SIHOO office chairs have been certified by BIFMA and SGS, passed 1000kg static pressure test. It can carry a weight of up to 150kg. Every part of this computer office chair has strict safety quality testing, cushion impact test, handrail fatigue test, chair foot static pressure test, ect. Simple instructions enable anyone to put chair together in eight simple steps!

Long Hours Sitting - The mesh back and mesh seat keep air circulation for extra comfort. High quality mesh resists abrasion and transformation, , making the high back desk chair suitable for a long-day sitting of 8 hours. Meanwhile, it allows you to sit without feeling hot or sweaty. It also features easy maintenance, please wash the mesh in warm water on a gentle cycle with a cold-water rinse.

Adjustable 3D Armrest -This office chair from SIHOO features 3D adjustable armrests - go forwards and back, up and down, and rotate 36° for the best fit to your favorite position. No matter in appearance or the function, it makes perfect sense of technology and future. Find the best angles for your posture.

Ergonomic Design - SIHOO is recommended by Ergonomics Application Association. Ergonomic design is based on the human body dynamic digital model. The S-shaped backrest mimics the human spine which helps release the spinal pressure, with more effectively adjustable lumbar pillow to cherish. The flowed waterfall arc seating design thigh support lets you sit a more comfortably, relaxed posture.

Note: it is recommended that this chair be placed on hard floors or a floor mat; if on a carpet or rug, please do not to drag the chair while sitting on it as additional weight coupled with the friction of the carpet/rug could cause the castors to get stuck, malfunction or break

Product Details

Type: Desk Chair; Executive Chair; Home Office Chair
Seat/Back Material: Mesh
Recommended Weight Capacity (Single Chair): 150 Kilograms
Castors Included: Yes
Adjustable Seat Height: Yes
Adjustable Back: Yes
Swivel: Yes
Gas Lift: Yes
Style: Contemporary
Box Contents: 1 x office chair
Care Instructions: Do not use strong liquid cleaners
Assembly Required: Yes
Product Warranty: 1 years

Frame Material: Nylon, PP, plastic, iron, Aluminium
Base Material Details: Aluminium

Dimensions:
Overall: 62cm W x 63cm D x 106cm H
Maximum Overall Height: 115cm
Minimum Overall Height: 106cm
Maximum Seat Height - Top to Bottom: 50cm
Minimum Seat Height - Top to Bottom: 42cm
Overall Product Weight: 22.5 Kilograms
Overall Package Size: 77cmx66cmx35cm

Shipping Details

Shipping Policy

Order Processing and Dispatch

Orders are typically dispatched within 1-2 business days after being received in our system.
If you require a postponed delivery date, please contact us before placing your order.
Once an order is placed, changes to the shipping address or order details are generally not possible, as our warehouse processes orders for dispatch immediately.

Delivery Information

Deliveries, whether standard or express, are made to the ground floor level only (excluding stairs).
For special requests, such as two-person delivery, deliveries involving stairs, or lifts, please contact us before placing your order.
Standard delivery with a tracking number typically takes 10-12 business days from dispatch. Delivery times may vary depending on courier schedules and circumstances.
Couriers operate Monday to Friday during standard business hours. Weekend deliveries may occur in rare cases during high freight volumes.
For delivery updates or ETA inquiries after the standard transit time, please contact us.

Shipping Address Requirements

Ensure your shipping address is complete and accurate (e.g., include unit numbers, PO Box numbers, etc.).
For business addresses, ensure the location is open during standard courier business hours.
Provide a contactable mobile number and email address to allow couriers to clarify delivery details if needed.
Authority to Leave (ATL): If you wish to provide ATL instructions, include them in your shipping details at checkout. Ensure the location is safe for unattended delivery. ATL is the default method for contactless delivery where safe.

Additional Shipping Fees

Deliveries to remote or regional areas may incur additional costs. Some areas may be excluded from standard delivery.
If the shipping fee paid does not cover the delivery cost, we may contact you to cover the shortfall or cancel the order with a full refund.
Additional fees apply for special requests, such as two-person delivery, multi-level buildings, or deliveries involving stairs or lifts.
Redirection costs due to incorrect, incomplete, or inaccessible addresses are not covered by us.

Large Item Orders

Street addresses are required for all large item orders. Non-street addresses (e.g., Parcel Lockers, PO Boxes) are not accepted.
Assistance may be required for unloading and carrying goods. If your delivery location is not on the ground floor or involves stairs, ensure an able-bodied person is available to assist.
The delivery address must have nearby parking or a loading area to enable delivery.
If you cannot provide assistance, contact us before placing your order.

Delivery Issues

If you encounter issues with your delivery:
- Take photographic evidence on the day of delivery and notify us immediately for courier review.
- For non-delivery claims, contact us as soon as possible and we will lodged an investigations with the courier on the same day of reported.
If your order is not delivered within the standard transit time (which may be extended during peak periods), contact us to lodge an enquiry with the courier.
If you're sending a valuable item, you should take out Extra Cover for extra peace of mind.
Extra Cover provides loss or damage cover from the value of the service up to $5,000, and can be used to cover valuable items.1

Extra Cover

If you haven’t purchased Extra Cover and an item you've sent is lost or damaged while in our care,
you may still be eligible for compensation of up to $100. We may also refund the postage you paid to send the item.
Claims are assessed on a case-by-case basis.
Neither the compensation included with our service nor the purchase of Extra Cover limits any rights you may have under the Australian Consumer Law.

For any questions or concerns about your shipping address or delivery, please contact us before placing your order. We are here to assist you!

Delivery excludes the following postcodes:
2880-2889, 5201-5749, 4309-4453, 4580-4693, 4454-4499, 4694-4802, 4804-4805, 9920-9960, 4803, 4806-4999, 9961-9998, 2648, 2715, 2717-2719, 2731-2739, 3221-3334, 3342-3349, 3351-3352, 3357-3426, 3444-3688, 3691- 3749, 3812-3909, 3921-3925, 3945-3974, 3979, 3984-3999, 2264-2281, 2311-2484, 2487-2499, 2533-2554, 2575-2599, 2621-2639, 2642-2647, 2649-2707, 2710- 2714, 2716, 2720-2730, 2787-2879, 6215-6700, 6701-6797, 7020-7049, 7054, 7109-7150, 7155-7171, 7173-7247, 7255-7257, 7330-7799
If your postcode is within the above ranges then please contact us for a postage quote.

Product Warranty Period & Change of Mind Returns

Warranty Period

Furniture, Fitness & Gym Equipment, and Household-related Products: 1-year warranty for product support.
Battery: 6-month warranty.

Warranty Claims

If a product issue is notified within the applicable warranty period, we will provide after-sales service, including replacement or refund upon receiving the returned product within a reasonable timeframe.

Change of Mind Returns

Change of mind returns are accepted within 30 days of delivery.
After 30 days, we do not accept change of mind returns for used products or order cancellations.
For eligible returns, the item must be unopened, unused, undamaged, and in its original packaging.

Returns Policy

Accepted Items

Items eligible for return or exchange must meet the following criteria:
- Unopened, unused, and undamaged.
- In the original condition and packaging as received.

Excluded Items

Change of mind returns are not accepted for:
- Mattresses.
- Personal care items.
- Floor stock.
- Items sold “As Is” with notified defects or variations.
- Skin Care product

Refund Processing

Delivery fees are non-refundable.
For change of mind returns, a 20% restocking fee may be deducted to cover warehouse processing costs.
The refundable amount will be calculated after deducting:
- Initial delivery fees.
- Return shipping costs (if applicable).
- Restocking fee (if applicable).

Returns Process

Initiate a Return:
- Contact our customer service team with your order details.
- Once approved, you will receive a return authorization slip to print and attach to the package.
Return Arrangements:
- You may be required to arrange and cover the return shipping costs.
- If we arrange the return, follow the courier’s instructions carefully to avoid failed pickups.
Packaging Requirements:
- Remove or mark off any previous consignment labels to avoid delivery confusion.
- Ensure the return label is clearly attached to the package.

Warranty & Consumer Rights

Our products come with guarantees that cannot be excluded under the Australian Consumer Law (ACL).
You are entitled to:
- A replacement or refund for a major failure.
- Compensation for any reasonably foreseeable loss or damage caused by our products.
- Repair or replacement if the goods fail to be of acceptable quality and the issue does not amount to a major failure.