Built to Last: Our Warranty
At Sihoo, we are committed to delivering ergonomic solutions built to last. That’s why every chair carries a warranty set for its model—so you can sit and work with confidence for years to come.
Warranty Regulations
- Warranty by model: covers manufacturing defects, structural failures under normal use, and mechanical issues not caused by misuse or modifications. Each model’s term is in the table below.
- Who Is Covered: products bought from SIHOO Thailand — in our showrooms, on this website and in our official Shopee, Lazada and TikTok Shop stores.
- Automatic Warranty Activation: bought in a showroom or on this website, your warranty starts at purchase with no extra steps. Bought on Shopee, Lazada or TikTok Shop? Register below for 1 extra year of warranty.
Warranty by model
Each model's standard warranty, counted from the purchase date.
| Model | Warranty | Note |
|---|---|---|
| SIHOO M59AS Ergonomic Chair | 5 years | — |
| SIHOO Model M18 Ergonomic Chair | 5–7 years | — |
| SIHOO Model M57 Ergonomic Chair | 5–7 years | — |
Model not listed? Ask our team.
For Shopee, Lazada and TikTok Shop customers
Register for 1 extra year of warranty
Have your order number ready, then enter the buyer details, model and purchase date. Our team checks the order and lets you know by email. The extended warranty is subject to SIHOO Thailand’s conditions.
How We Make Our Warranty Sustainable
How to adjust your chair
Watch how to assemble your chair and adjust it to fit your body. Tap to play.
Videos by model

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