Black Friday

Lowest Price of the Year

UP TO 65% OFF

Nov 6 - Nov 30

Black Friday Exclusive Benefit

Extra

£20Off

No Minimum Purchase.

Code: BF20

Apply it at checkout

Win Free Order

Limited time offer

UP TO 65% OFF

Lowest Price of the Year

Bulk Order

Buy More, Save Extra

Doro C300 Pro V2 Ergonomic Chair

£459.99£459.99
SAVE£50
£409.99
Learn More

Trusted in122+ Countries

BIFMAVerified

4.3★Trustpilot Rating

£459.99£459.99
SAVE£50
£409.99
Learn More

Trusted in122+ Countries

BIFMAVerified

4.3★Trustpilot Rating

PRODUCT FEATURE

Premium Ergonomic Chairs

Adaptive lumbar support and breathable comfort that move with you. Stay supported through focused work and everyday movement.

Doro C300 Ergonomic Office Chair £90 OFF

Doro C300 Ergonomic Office Chair

Ergonomic Office Chair

£249.99 £339.99
Doro C300 Pro V2 Full-Body Adaptive Ergonomic Chair £50 OFF

Doro C300 Pro V2 Full-Body Adaptive Ergonomic Chair

Ergonomic Office Chair

£409.99 £459.99
Doro C300 Pro Ergonomic Office Chair 22% OFF

Doro C300 Pro Ergonomic Office Chair

Ergonomic Office Chair

£309.99 £399.99

Buy More And Save More!

The discount will be automatically applied at checkout!

  • Extra

    3% OFF

    Buy 3~5

  • Extra

    5% OFF

    Buy 6~9

  • Extra

    10% OFF

    Buy 10+

Win Your Order Back

2 winners. Full refund. No cap.

View Rules

2 Winners. Full Order Refund. No Cap. 

Promotion Period: November 06–December 2, 2026. 

How to Enter: Place a qualifying paid order during the promotion period. All products qualify. Each order = one entry.

Prizes: 2 winners will be randomly selected. Each winner receives a full refund of the amount actually paid for one winning order, with no refund cap. One prize per person.

Winner Announcement: Winners will be announced on the official campaign page on December 9, 2026, and notified by email. Refunds will be issued after eligibility and order verification. 

Contact: support@sihoooffice.com

SINCE 2011

World leader in ergonomic chairs

  • 122+

    Countries. Recognized worldwide.

  • 2000+

    Certifications by renowned media worldwide

  • 2.6M+

    Customer Recognition

  • 15

    Years of Company History

Real comfort. Real reviews.

Trustpilot 4.3 / 5

Based on 651 reviews

  • mingchao yu
    “I bought the C00 Pro 2, and the build quality and overall feel are really nice.”
  • Mary Ann Ong
    “I have been looking for a chair that is comfortable, aesthetic and ergonomic! This chair fits all of my check list!”
  • Carlos Marín Pérez
    “The chair is extremely comfortable, and even after almost three years of daily use, I'm still very satisfied with my purchase.”

FAQs

What does “UP TO 65% OFF” mean?

The maximum 65% discount applies exclusively to selected products, specifically the B100 Pro during this Black Friday promotion. Other products are subject to separate promotional offers and are not eligible for 65% off. SIHOO reserves the right of final interpretation of this promotion.

Can coupons be combined with other promotional discounts?

No. During this Black Friday promotion, coupon codes cannot be combined with other promotional discounts or offers. SIHOO reserves the right to make the final determination regarding promotion eligibility and discount applicability.

How do I know if my Black Friday C300 PRO V2 order was selected for the upgraded pedals?

Selected customers will be notified by email. If you do not receive a selection email, your order was not selected. Please note that you will still enjoy the lowest Black Friday product price.

When can I use my subscriber discount?

Your subscriber code is valid from November 6 through December 2.  Enter it at checkout to receive the discount that matches your order value.

Can I combine my subscriber discount with other offers?

Your subscriber discount can be used on our Black Friday sale prices. However, it cannot be combined with other discount codes or additional promotional offers.

Will there be a chance to win my order for free?

Yes! Orders placed on our UK store between November 6 and December 2 are eligible for our Black Friday free-order prize draw.

What does “win your order free” include?

If your order is selected, we’ll refund the full amount you paid, including shipping costs.

When will the winners be announced?

The winners will be announced on this campaign page on December 9. We’ll also notify winners by email, so keep an eye on the inbox associated with your order.