Newton Mega Big Boy Heavy Duty Ergonomic Office Chair – Metro Black
Engineered for superior support and comfort, the Mega Big Boy Heavy Duty Ergonomic Office Chair is ideal for extended use in demanding work environments. Designed with a high weight capacity of up to 140kg, this chair features a durable 3-lever ergonomic mechanism and a generously moulded seat and back foam for all-day comfort.
Key features include:
-
Adjustable seat height for optimal posture
-
Ratchet-adjustable back height to fit a range of users
-
Customizable seat and back angles
-
Adjustable weight tension for personalized reclining resistance
-
Optional adjustable armrests for added support
-
Extra-wide seat built for larger users
-
AFRDI Level 6 certified, ensuring top-tier durability and safety
-
Sturdy 700mm black nylon 5-star base for stability
This ergonomic office chair is finished in Metro Black and is suitable for indoor use only. Please note: this model is not compatible with drafting kits. Minor assembly is required, and the product comes backed by a 7-year warranty.
Whether you're outfitting a corporate workspace or a home office, the Mega Big Boy delivers robust performance, ergonomic design, and long-lasting comfort.

*All orders under $999 will be charged a shipping fee depending on delivery location and weight.
Free shipping subject to buyers location.
Order Confirmation: As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment. If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 3 business days), we will process the charges and submit the order for shipment.
Order Shipment: If your order is in stock, it will be shipped within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within three business days of your order, feel free to follow up with us by emailing hello@officefurnituresales.com.au with your name and order no. as the subject. We will get back to you with your tracking information as soon as possible.
Cancellations & Refunds: All orders cancelled after 24 hours are subject to a $50 administration fee, whether or not your order has shipped. If you order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order. Please contact us at hello@officefurnituresales.com.au.

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You get a full 30 days to return your item to us. If it doesn't fit, it breaks, you've changed your mind or for no reason whatsoever simply send it back to us and we'll cheerfully refund you. |
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Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
|
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In the unlikely event that you find your item cheaper at another online store*, just let us know and we'll match the price. |
|
![]() |
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
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Ordering from Office Furniture Sales is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
Newton Mega Big Boy Heavy Duty Ergonomic Office Chair – Metro Black
Engineered for superior support and comfort, the Mega Big Boy Heavy Duty Ergonomic Office Chair is ideal for extended use in demanding work environments. Designed with a high weight capacity of up to 140kg, this chair features a durable 3-lever ergonomic mechanism and a generously moulded seat and back foam for all-day comfort.
Key features include:
-
Adjustable seat height for optimal posture
-
Ratchet-adjustable back height to fit a range of users
-
Customizable seat and back angles
-
Adjustable weight tension for personalized reclining resistance
-
Optional adjustable armrests for added support
-
Extra-wide seat built for larger users
-
AFRDI Level 6 certified, ensuring top-tier durability and safety
-
Sturdy 700mm black nylon 5-star base for stability
This ergonomic office chair is finished in Metro Black and is suitable for indoor use only. Please note: this model is not compatible with drafting kits. Minor assembly is required, and the product comes backed by a 7-year warranty.
Whether you're outfitting a corporate workspace or a home office, the Mega Big Boy delivers robust performance, ergonomic design, and long-lasting comfort.

*All orders under $999 will be charged a shipping fee depending on delivery location and weight.
Free shipping subject to buyers location.
Order Confirmation: As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment. If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 3 business days), we will process the charges and submit the order for shipment.
Order Shipment: If your order is in stock, it will be shipped within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within three business days of your order, feel free to follow up with us by emailing hello@officefurnituresales.com.au with your name and order no. as the subject. We will get back to you with your tracking information as soon as possible.
Cancellations & Refunds: All orders cancelled after 24 hours are subject to a $50 administration fee, whether or not your order has shipped. If you order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order. Please contact us at hello@officefurnituresales.com.au.

![]() |
You get a full 30 days to return your item to us. If it doesn't fit, it breaks, you've changed your mind or for no reason whatsoever simply send it back to us and we'll cheerfully refund you. |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
|
![]() |
In the unlikely event that you find your item cheaper at another online store*, just let us know and we'll match the price. |
|
![]() |
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
![]() |
Ordering from Office Furniture Sales is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |