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The Boss B9591AM-BK-500 is a heavy-duty mid back guest chair built for additional seating in any room or office. It is designed with a strong, easy-to-clean antimicrobial black vinyl material that lends a professional appearance, paired with a sturdy four-leg tubular black steel base that delivers both comfort and strength.
The chair stands at a fixed height with a fixed arm design and carries a weight capacity of 500 lbs. With no moving mechanisms or casters, it offers a stable, low-maintenance seating solution well suited to high-traffic and shared spaces where durability and easy cleaning matter.
The antimicrobial vinyl surface makes the chair a practical choice for environments that require frequent wipe-downs, while the reinforced steel frame supports heavier users without sacrificing a clean, professional look.
| Back Adjustment | No |
| Arm Type | Fixed |
| Infinite Lock | No |
| Knee Tilt | No |
| Tilt Tension | No |
| Pneumatic Gas Lift | No |
| Upright Lock | No |
| Seat Slider | No |
| Weight Capacity | 500 lb |
| Chair Base | 4 Leg Tubular Black Steel |
| Casters | None |
This guest chair suits commercial offices, healthcare and waiting areas, conference rooms, and other shared spaces that need durable extra seating, as well as home offices and remote professionals who want a sturdy, easy-to-clean visitor chair with a 500 lb capacity.
What is the weight capacity?
The chair is rated for up to 500 lbs.
Does the chair adjust in height?
No. It is a fixed-height chair with no pneumatic gas lift.
Are the arms adjustable?
No. The chair has a fixed arm design.
What is the upholstery made of?
An antimicrobial black vinyl that is easy to clean and resists microbial growth.
Does it have wheels?
No. The chair sits on a four-leg tubular black steel base with no casters.
🚚 Free shipping within the continental United States, direct from the manufacturer.
We ship within the continental United States only. Regions outside the continental U.S. are not applicable.
Project pricing, space planning, delivery and professional installation - tell us about your space and we'll handle the rest.
Get project pricing★★★★★Chloe B.When it comes to delivering a satisfactory customer experience, the staff and owner at Miramar Office Furniture OVER-delivers.
Even with a last-minute request that was far from simple, they created the possibility to complete our order in excellence and made the entire process enjoyable.
With their support, my team has been able to help restore and renovate a project for very close to our hearts with the San Diego Center for Children.
If you are looking for a reliable business, you're in the right place. Thank you, Miramar Office Furniture!San Diego
★★★★★Kevin D.Been dealing with these guys for a couple of years now and they always come through , great furniture at reasonable
Prices . Big thanks to Chris and Jay for showing me around and suggesting the
Best desks for the space I had . Appreciate you all including your office mascotLos Angeles, CA
★★★★★Denna V.We recently got some furniture delivered and put together at our office in Miramar and the guys were so nice and polite. They were fairly quick, but I was most impressed by how helpful they were and made sure that my director of operations loved where they placed the furniture and how it looked before they left. They even offered to move it if he changed his mind. I feel like that hard to come by nowadays so thought I'd leave a comment.
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★★★★★Megi W.The store specializes in office furniture, so if you're looking for office items this place is worth the time, more than the average furniture store. We found exactly what we wanted at this store for a good price. Very friendly staff overall, and Bodhi's mom was so helpful and accommodating.
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★★★★★Bobby H.Chris, Jay, and the mom of Bodhi make a great team. Chris helped me design the perfect office desk.
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★★★★★Dan S.My go-to office furniture place. I've bought several desk chairs and more here.
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★★★★★Monty M.Jay is the best. So helpful with layouts, scenario planning, etc. I highly recommend these guys!
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★★★★★Myo W.I have furnished offices for 40 people with Miramar Office Furniture as my one-stop shopping place. They have the best prices, selection and service I have found. They are always my go-to when I need anything. Sally and Urban are great to work with.
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