SKU: 16590542845

Boss Box Arm guest, accent or dining chair W/Black Base (B639-BK)

Sale price$109.80 Regular price$122.00
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

Boss Box Arm guest, accent or dining chair W/Black Base (B639-BK)Five key benefits Built in lumbar support an ergonomic lumbar curve is built into the backrest to support the lower back during seated time. Caressoftplus vinyl upholstery finished in black Caressoftplus vinyl that wipes clean and resists everyday wear. Box arm styling spacious fixed box arms give the chair its squared, contemporary look and a defined place to rest the arms. Solid wood base sits on a sturdy four leg black wood base for stability

Five key benefits

  • Built-in lumbar support — an ergonomic lumbar curve is built into the backrest to support the lower back during seated time.
  • Caressoftplus vinyl upholstery — finished in black Caressoftplus vinyl that wipes clean and resists everyday wear.
  • Box arm styling — spacious fixed box arms give the chair its squared, contemporary look and a defined place to rest the arms.
  • Solid wood base — sits on a sturdy four-leg black wood base for stability without casters.
  • 275 lb weight capacity — rated to support up to 275 pounds.

Product description

The Boss B639-BK Box Arm Chair is upholstered in black Caressoftplus vinyl, a soft-touch surface that wipes clean and holds up to regular use in busy seating areas. The softness of the seat is reinforced by an ergonomic built-in lumbar support that helps maintain posture through longer sittings.

Its defining feature is the spacious box arm styling, which gives the chair a squared, contemporary silhouette. The seat rests on a four-leg black wood base that is both sturdy and stylish, with no casters, so the chair stays put where it is placed.

The angular, elegant design lends an upscale, contemporary look to an office or reception area. Whether outfitting an office desk or a waiting room, this chair pairs comfort with a polished, professional appearance.

Adjustments & features

  • Fixed box arms
  • Built-in ergonomic lumbar support
  • Four-leg black wood base
  • No casters (stationary)
  • Black Caressoftplus vinyl upholstery

Specifications

Model B639-BK
UPC 751118063912
Upholstery Black Caressoftplus Vinyl
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
Chair Base 4 Leg Black Wood
Casters None
Weight Capacity 275 lb
Certifications MAS Green Certified; CA TB117-2013

Who this chair is for

This chair suits commercial offices and reception or waiting areas that need durable, professional guest seating, and it works equally well as an accent or dining chair in a home office or remote workspace where an upscale, contemporary look matters.

FAQ

What is the upholstery material?
It is finished in black Caressoftplus vinyl.

Does this chair have casters or roll?
No. It sits on a fixed four-leg black wood base with no casters.

What is the weight capacity?
The chair is rated to support up to 275 pounds.

Are the arms adjustable?
No. The chair has fixed box arms.

Is it certified for any environmental or fire standards?
Yes. It is MAS Green Certified and meets 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: 16590542845

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4.4 ★★★★★
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Product Reviews
A
Amy
Dallas, US
★★★★★ 5
Adorable, Complete Set—Great for Special Occasions
Color: Beige, Size: 12, Color: Beige, Size: 12
This suit set is such a great find! It comes with everything you need—jacket, pants, shirt, tie, and bow tie—which makes getting a dressed-up look so easy. It's excellent quality for a suit in this price range. The linen fabric gives it a nice, lightweight feel and a polished look that works well for both formal and semi-casual events. My son looked adorable in it, and it was perfect for the spring wedding we attended. What I love: Complete 5-piece set—no need to buy extras Lightweight and comfortable material Classic, stylish look with nice details (lapel, pockets, etc.) Adjustable waistband is super helpful for fit Versatile for weddings, holidays, and other events Fit was true to size based on the chart, but I agree with the recommendation—if your child is between sizes or growing quickly, sizing up is a good idea. I sized up with the hopes that he can wear it again for another event because it looks fantastic! Overall, a really cute and practical suit set that looks great without being uncomfortable. Perfect for any special event
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
D
DD
Lake Worth, US
★★★★★ 4
Boys’ 5‑Piece Linen Suit Set
Color: Beige, Size: 16, Color: Beige, Size: 16
I ordered this 5‑piece linen suit in size 16 in the beige color. The set includes the jacket, pants, dress shirt, bow tie, and a slip‑on tie. The outer fabric is a blend of 70% polyester, 25% linen, and 5% spandex, and the lining is 100% polyester. The material is lightweight, which works well for warm‑weather events, but the pants are noticeably thinner than the jacket. The jacket feels sturdier because of the full lining. The jacket has a peak lapel, flap pockets, and cuff buttons, and the stitching and seams are tight and even. I did notice a few loose threads, but the fabric itself was smooth with no tears or flaws. The pants have an adjustable waistband, which is helpful, but the length was too long and will need to be tailored. The overall cut of the suit seems designed for children on the thinner side. The shirt included in my set was a pleated style rather than a plain dress shirt. It wasn’t the style shown in the product photos, and I would have preferred a standard shirt that could be worn for various occasions rather than a very formal shirt. The tie is a pre‑tied slip‑on style with an elastic band. I would have preferred a traditional tie instead. The suit arrived in good condition with no damage, and the color was even throughout all pieces. The price is on the higher end for similar 5‑piece sets. I rated it 4 stars because the jacket is well made and the set includes all the expected pieces, but the thin pants, unexpected pleated shirt, and slip‑on tie kept it from being perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
J
Jacobson
Lowell, US
★★★★★ 5
Adorable and Well‑Made Outfit for Special Events
Color: Light Blue, Size: 10, Color: Light Blue, Size: 10
Got this suit set for my son and absolutely love it. It comes with everything he needs to look sharp, and I really appreciate that it includes both a tie and a bow tie so we can switch up the style depending on the occasion. The quality is impressive for the price — the fabric feels light and comfortable, and the whole outfit has a polished look without being stiff or uncomfortable. The fit was spot on, and the adjustable waistband is a huge help for getting it just right. My son looked great in it, and it’s definitely something he can wear for more than one event. The little details on the jacket and pants give it a classic, dressed‑up feel that works for weddings, holidays, or any special moment. Overall, it’s a stylish, practical set that makes getting him ready so much easier. Really happy with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
C
Crystal
Battle Creek, US
★★★★★ 4
Boys linen fabric suit
Color: Light Green, Size: 16
Boys suit set in a lighter green color. This suit is made with good proportions and seems to fit well. The sizing seems slightly big so maybe size down one size. The fabric does wrinkle easily so be aware that sitting and folding the suit may cause wrinkling. Otherwise it is a very nice suit for a formal occasion. It comes in many good colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
A
Atherney Family Farm
Waukegan, US
★★★★★ 5
Nice elegant suit for any occasion.
Color: Light Blue, Size: 12, Color: Light Blue, Size: 12
The suit set is very nice, the fabric material is durable and soft. Overall stitching is tight with nice surging of the hems and great construction on the shoulders. Buttons and button wholes are well done. I'm going to iron in the creases on the front of the pants because they weren't folded properly for shipping. The material does hold on to wrinkles so don't be afraid of your iron to get a super sharp look. The color is a soft baby blue that stands out in a crowd of black suits. With the option of an elastic tie or clip on bowtie this is everything you need to make him look presentable for a variety of occasions. My only complaint about this suit kit is the dress shirt is stiff and thin. I found some loose threads that I don't trust to not get played with. I'll probably trade it out for something with a little more cotton. As far as cost goes mid range, but definitely worth the cost. I might consider something with a vest if it's a super formal event, but I'm very happy with how this suit comes together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026

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