Sihoo M57 Ergonomic Office Chair

Sihoo M57 Ergonomic Office Chair

From $358
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Sihoo M57 Ergonomic Office Chair, Computer Desk Chair, 3D Adjustable High-Back, Breathable Skin-Friendly Mesh with 3D Adjustable Armrest, Lumbar Support 

【features】 fully-adjustable head Rest provides personalized neck relief and head support, adjustable lower-back lumbar support allows for free adjustment of both height and depth of support, 3D adjustable armrests can be adapted for different office applications with full 360° rotating handrails, 90°-120° reclining backrest adjustable for multiple work positions, Seat Height can be adjusted for 10cm (3. 9 in. ) total vertical travel

★【HIGH QUALITY & EASY TO ASSEMBLE】SIHOO office chairs have been certified by BIFMA and SGS, passed 2000lbs 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!

★【FOR LONG TIME SITTING】The mesh back and mesh seat keep air circulation for extra comfy. High quality mesh resists abrasion and transformation, it makes the high back desk chair good for sitting for 8 hours, suitable for a long day sitting. 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.

★ 【premium】 materials the aluminium base is steady and durable while offering excellent resiliency against wear. Silent castors roll, rotate, and move freely without noise. Double-backed-frame design is sturdy and durable.

★ 【warranty】 period is three years. If there are any quality problems, please contact us. After confirming, we will provide a replacement part or product for you. SIHOO provides full parts coverage for the three years of the period, at zero cost for you!


Shipping Details

Metropolitan Shipping

Orders placed online are usually dispatched within 2 business days.

We offer Flat Rate Delivery as below.

$15.00 for NSW

$20.00 for VIC and ACT

$25.00 for QLD, SA and TAS

$45.00 for WA

$50.00 for NT

We can deliver most items we stock to all metropolitan areas in Sydney, Brisbane, Melbourne, Perth and Adelaide. For some of our products, we can extend the same discounted rate to regional areas including Wollongong, Central Coast NSW, Canberra, Sunshine Coast, Gold Coast. We recommend that you contact us via your MyDeal account to check if your item qualifies for metro delivery rate to your area if in doubt. 

Deliveries are made to the ground floor entrance of your premises as per standard transport practices. Please make a note on checkout if you have any specific delivery requirements including delivery to another floor or specific booking in requirements to access your site. We can only accommodate the request if the building has a lift and the lift fits the product(s).

The items will usually be shipped directly from the closest warehouse to your location through our network of warehouses located in Sydney, Brisbane and Melbourne.

In the unlikely circumstance where we require to transfer some stocks from interstate, the delivery may take longer than 3 business days. We aim to complete all deliveries within 5 business days and in the rare occasion that this is going to take longer, we will provide an update to our clients usually within 24 working hours from the time of order. 

Regional Shipping

At SIHOO Furniture Australia we pride ourselves on servicing customers Australia-wide. If your delivery address is outside our standard metropolitan delivery zone please contact us via your MyDeal account for a quote. If you have accidently selected our metro shipping rate for deliveries within a regional area, our friendly staff will give you a ring to work something out. We partner with major courier including Allied Express, TNT or Toll to make these regional deliveries and insure all products during regional transit for clients free of charge. 


Most of our products are shipped flat-packed for ease of transport and to reduce the risk of damage in transit. Please note that unless we have labelled the product ''assembled' under the specific product page, the item will be delivered flat- packed. Your ready-to-assemble furniture will be delivered to you with easy to follow assembly instructions. If you have any queries regarding assembly once you receive your product(s) please don’t hesitate to contact us for assistance. We do offer assembly service for an additional charge, please give us a ring to obtain a quote. 

Refund policy

We have a 30-day return and change of mind policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a refund, your item must be in the same condition that you received it, unassembled or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like custom products (such as special orders or personalized items). Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items.


We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

Return Shipping
Once the product has been accepted for a return, the shipping costs relating to a return will normally be paid by the client unless the product is assessed as having a major failure. In this case we will be responsible for any shipping costs and you will be advised how to return the product at no cost to you. 


Your Warranty Policy: 

warranty period is three years. If there are any quality problems, please contact us. After confirming, we will provide a replacement part or product for you. SIHOO provides full parts coverage for the three years of the period, at zero cost for you.

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Estimated Delivery Time Frame: 3 - 5 Business Days

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