Unfortunately, we don’t have offline stores at this moment.

All SIDIZ products are made in South Korea and Vietnam.

SIDIZ is a vertically-integrated company which means that we own every part of the design, manufacturing, and distribution process.

3-year Warranty for quality-related issues

For 3 years after the date of purchase, SIDIZ takes we take care of all quality-related issues with a REPLACEMENT.

*Reminder: Be sure to use your product as directed.
**Limitations
- Upholstery and foam will be warranted for 1 year.
- Our returns and exchange service is limited to all purchases made from SIDIZ. If you purchase through a different retailer or a retailer in other countries other than the AU, please contact them directly. (Unauthorized reselling of SIDIZ products is strongly prohibited.)
- Warranty-related shipping costs can only be covered in the AU.
- When returning an item, please ship it back within 14 days after you receive approval. Further delay may void your return.

For any questions or issues about SIDIZ items you have purchased, please refer to our help center, or contact us.

Please request cancellation or contact us as soon as possible to cancel your order. You can only cancel items or orders that haven't entered the shipping process yet and please note that some orders cannot be canceled if they are physically picked and packed at our warehosue ready to be shipped.

Shipped orders cannot be canceled, and you may follow the return process.

You can only change or update the order that hasn't entered the shipping process.Shipped orders cannot be changed, and you may follow the return process.

Once your order is shipped, you will receive an email with tracking information from us. You can also check the delivery status in your account page.

we take pride in serving customers nationwide. For delivery addresses outside our standard metropolitan zones, please contact us for a tailored shipping quote.

We will ship out your order within 2 business days from the date we receive your order. Depending on your location, you can expect your order to delivering in 2-8 business days to reach your doorstep after it is shipped. However, unexpected delivery issues and congestion during national holiday can cause delay in delivery.

While we’re working on setting up quicker options in the future, we don’t offer expedited shipping options or date-specific delivery at this moment.

As we utilize a comprehensive Australia-wide courier system, we require a residential or business address for delivery. PO Box addresses cannot be accommodated.

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

To start a return, you can contact us at support@sidiz.au. 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.

You can always contact us for any return question at support@sidiz.au.

We can only accept the return of products that are in an unassembled condition. Please keep the packaging for 30 days returns without the original packaging will be rejected. Or restocking fees may be charged according to the refund policy.

If the shipping box is damaged severely, please refuse to receive the product and send it back to us. You may claim a full refund or replacement in this case.

Please contact Sidiz customer service or support@sidiz.au for proper support.

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.

To disassemble the gas lift and the base, please follow the instructions below.Before you start, be sure to protect the surface of floor.

#1.
Please refer to the attached guide and prepare a rubber hammer.
By hitting the gas lift outwards, you can remove it from the upper part of the chair.
Make sure to apply more force and hit in the direction where the green arrow shows, and you will see the gas lift wobbling from the seat base.
*Or if you have a pipe wrench, you can use it to shake the gas lift out from the upper part of the chair.

#2.
Put the base upside down and use a rubber hammer to dislodge the cylinder from the base.
*You may also try to hit the top of the base to see if it helps.

If you don't have the original shipping box, you can use a similar size box but, please make sure to contact us before you send the item back.

Make sure the packaging is appropriate to avoid damages during transport.

After we receive and approve the returned product, it may take up to 14 days to process the full refund depending on payment methods. If you are seeing delays, please contact your credit card company.

For a detailed guide on how to install and use the product, please visit our User Guide Page.

All SIDIZ products require assembly. The step-by-step instructions will be included for you to follow, and we also offer assembly videos and user guides on our User Guide Page.

Unfortunately, we don’t sell replacement parts separately. However, please contact us of warranty service in case if you have any quality-related issues.

T50 and T40 are both office chairs with ergonomic adjustment functions.
For more information, please visit [Compare Models] for further details.

T50 and T80's biggest difference is the tilting mechanism. For more information, please visit [Compare Models] for further details.

Yes, you can remove the headrest easily.

For more details, please refer to the assembly guide in User Guide Page.

The backrest and the seat pan need to be lined up perfectly, and the backrest should be inserted into the end of the groove.
If you failed to insert the screws into one of the sockets, it is most likely that the backrest and the seat pan didn't line up properly.
Please check out the instructions below and try assembling once more.

1. Please disassemble all of the chair parts.
2. Find a flat surface and assemble both armrests on the chair first. You will have the seat + armrests assembled.
3. Place the seat mounted, and insert the backrest inside the seat pan.
* TIP : The armrests will help the chair stay tilted at the right angle.
4. Insert screws from following the numbered spots in the picture.
* TIP : Going diagonal helps easy assembly.
5. Before screwing the bolts, please make sure to press the joints very hard.
* TIP : In case it doesn't work, it is helpful to put up the seat side with a hand and push down the backrest while inserting the bolts.

T50's backrest is designed ergonomically, slightly tilted, following the shape of the user's back.

T50's backrest is designed to naturally follow every moment of the user. Thus, the backrest cannot be locked at particular angles.

T50's foward tilting allows you set the seat pan in two positions. If you adjust the seat slope other than these two positions, it won't stay at the angle.

The injection gate for molding may form a line in the seat. Please note that these lines do not affect your experience on SIDIZ chairs.

T80 and T50's biggest difference is the tilting mechanism.
For more information, please visit [Compare Models] for further details.

T80's backrest is designed to naturally follow every moment of the user. Thus, the backrest cannot be locked at particular angles.

Unfortunately, no, SIDIZ offers swivel type only.

If you are using the sit-brake casters, when a weight of more than 25kg is applied on the seat, the caster will stop moving for your child's safety. When not seated, it can be easily moved.

T40 and T50 are both office chairs with ergonomic adjustment functions.
For more information, please visit [Compare Models] for further details.

Yes, you can remove the headrest easily.

For more details, please refer to the assembly guide in User Guide Page.

Weight Activated Tilt (WAT) Mechanism is a function that detects the user’s weight and adjusts the tilt tension when the user leans back.

A light-weight user, for instance, will have a weaker tilting tension, whereas a heavier user will have a stronger tilting tension.

T25 with WAT will automatically adjust to the user’s physique, allowing the user to sit for extended periods of time without straining the waist.