SKU: 65181081652

Boss Black Posture Chair (B305)

Sale price$81.00 Regular price$90.00
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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

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Description

Boss Black Posture Chair (B305)Five key benefits LeatherPlus upholstery finished in black LeatherPlus (leather and polyurethane) for added softness and durability. Built in lumbar support a thick padded seat and back with integrated lumbar support for sustained comfort. Adjustable back depth the back depth customizes to your body for a personalized fit. Pneumatic seat height adjustment a pneumatic gas lift sets seat height to match your desk and posture. Stable five star nylon base

Five key benefits

  • LeatherPlus upholstery — finished in black LeatherPlus (leather and polyurethane) for added softness and durability.
  • Built-in lumbar support — a thick padded seat and back with integrated lumbar support for sustained comfort.
  • Adjustable back depth — the back depth customizes to your body for a personalized fit.
  • Pneumatic seat-height adjustment — a pneumatic gas lift sets seat height to match your desk and posture.
  • Stable five-star nylon base — a five-star nylon base with hooded dual-wheel casters delivers smooth, stable movement.

Product description

The Boss B305 Deluxe Posture Chair is a compact task chair built around comfort and everyday usability. It is upholstered in black LeatherPlus, a combination of leather and polyurethane chosen for added softness and durability. The thick padded seat and back include built-in lumbar support, helping maintain comfort through long stretches of seated work.

An adjustable back depth lets you customize the chair to your personal needs, while the pneumatic adjustable gas lift makes seat-height adjustment quick and tool-free, so you can find the sitting position that suits you and your work environment. The five-star nylon base allows for smooth movement and stability, and the hooded dual-wheel casters roll cleanly across the floor.

This armless design keeps the footprint small, making it a practical fit where space is limited. The B305 carries a 275 lb weight capacity and is MAS Green certified and compliant with CA TB117-2013.

Adjustments & features

  • Pneumatic gas lift for seat-height adjustment
  • Height-adjustable mechanism
  • Adjustable back depth
  • Built-in lumbar support
  • Armless design
  • Five-star nylon base, 25 inch
  • Hooded dual-wheel nylon casters, 2 inch

Specifications

Back Adjustment No
Arm Type Armless
Mechanism Type Height Adjustable
Infinite Lock No
Knee Tilt No
Tilt Tension No
Pneumatic Gas Lift Yes
Upright Lock No
Seat Slider No
Chair Base Nylon 25 Inch
Casters Dual Wheel Nylon 2 Inch
Weight Capacity 275 lb
UPC 751118030518

Who this chair is for

The B305 suits commercial offices that need a comfortable, space-efficient task chair, as well as home-office and remote professionals who want supportive seating with built-in lumbar support and a small footprint. The armless profile is well suited to tighter desks and rooms where a chair needs to tuck away cleanly.

FAQ

Does this chair have armrests?
No. The B305 is an armless design.

What is the weight capacity?
The chair supports up to 275 lb.

How do I adjust the seat height?
The pneumatic adjustable gas lift raises and lowers the seat so you can set your preferred height.

What is the upholstery material?
It is finished in black LeatherPlus, a combination of leather and polyurethane.

Is the chair certified for any standards?
Yes. It is MAS Green certified and compliant with CA TB117-2013.

Shipping

🚚 Free shipping within the continental United States, direct from the manufacturer.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 65181081652

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4.7 ★★★★★
Based on 9 reviews
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Verified Purchase
Heather
Bozeman, US
★★★★★ 5
Excellent product, highly recommend
Flavor Name: Classic, Size: Large, Flavor Name: Classic, Size: Large
So glad I came across this brand that uses actual edible material instead of the plastic nylon! All of our dogs love the nylon chew toys, but it's so bad for them to eat the little plastic bits! I got the large one & it is VERY large! I actually wish they had a medium one, one in-between the large & small ones as an option. But our dogs still love the large one, just harder for them to carry around & boy is it loud each time it gets dropped on the hardwood floor. It's big enough both the pups can chew on it together at the same time & do just that. We've had it for a couple months now & they don't chew on it everyday, but a few times a week I'd say & it's a tad bit softer than the nylon chews, but I'd say it's held up very well!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2025
P
Verified Purchase
Patricia
Boise, US
★★★★★ 4
Dogs love them
Flavor Name: Beef, Size: Small
My two pups are power chewers. These bones are great! There’s no smell and pieces don’t come off like other bones. Although I am not a fan of the sound it makes when my dogs chew on them (nails on a chalkboard sound to me) they love them and it keeps them entertained. They are extremely hard so I limit their chew time (only because I can’t afford a trip to the vet if a tooth gets cracked) overall satisfied with my purchase, both myself and pups!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
K
Verified Purchase
kpezzulo
Carnegie, US
★★★★★ 5
Durable Nylabone That My Dog Loves
Size: Large
This Nylabone chew toy is a winner! My dog absolutely loves it and has been chewing on it daily for months, and it’s still holding up great. The durability is impressive, especially compared to other toys that don’t last nearly as long. It’s become my dog’s favorite chew toy, and I love that it keeps him entertained without wearing out quickly. Highly recommend for any heavy chewers!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2024
K
Verified Purchase
Karen
Grantham, US
★★★★★ 5
Worth the money
Size: Large
My dogs love these! I was buying them on Chewy, but there a little cheaper on Amazon. I guess they're flavored because both of my dogs love to chew on them. They hold up pretty well too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 25, 2023
G
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gloria pagan
Lexington, US
★★★★★ 5
Nylabone dental dinosaur
Size: Large
Hours of fun for your small dog. My fur baby loves it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 23, 2025

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