Belffin Modular Sofa Armrest Backrest Module for Modular Sectional Sofa Couch Side Armrest, Backrest Velvet Black
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Dec 31 β Jan 1
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Size: Armrest/Backrest Module
Color: Black
Features
- Perfect Armrest Module: There are 2 outstanding features with armrest module. The first one is the backrest and armrest can be adjusted to any angles within 135The second one is the armrest is the same as backrest which means you dont need to distinguish these 2 modules.
- Excellent Modular sofa: The modular sofa can be combined in different ways to get a size and shape that suits you and your home. If you ever need a larger sofa, you can always add one, two...parts, which will greatly freshen up your living space.
- Velvet Fabric: The modular sectional sofa is made of soft and breathable velvet fabric, which is skin-friendly. This Luxurious velvet and premium foam create a gorgeous atmosphere. When you touch the fabric, the feeling of comfort and relaxation come to your heart.
- Sturdy Wood Frame: Considering safety issues, there is an extra wooden durable side legs under each armrest and backrest module to avoid the situation of rollover or fall backward. The design conveys the people-oriented concept.
- Armrest / Backrest Dimension: 26.40''(L)*5.50''(W)"*27.10"(H), arm fittings and screw include in package. The pair of armrests is only suitable for Belffin modular furniture. It comes in 1 box.
Brand: Belffin
Assembly Required: Yes
Seat Depth: 26.4 inches
Seat Height: 17.7 Inches
Product Dimensions: 26.4"D x 5.5"W x 27.1"H
Item Weight: 28 Pounds
Type: Sectional
Color: Black
Special Feature: Adjustable Arm/Backrest
Upholstery Fabric Type: Velvet
Brand: Belffin
Assembly Required: Yes
Seat Depth: 26.4 inches
Seat Height: 17.7 Inches
Product Dimensions: 26.4"D x 5.5"W x 27.1"H
Item Weight: 28 Pounds
Type: Sectional
Color: Black
Special Feature: Adjustable Arm/Backrest
Upholstery Fabric Type: Velvet
Room Type: Apartment, Living Room, Studio
Arm Style: Minimalist" or "Modern
Pattern: Solid
Back Style: Tufted Back
Size: Armrest/Backrest Module
Collection Name: Belffin
Arm Height: 27.1 Inches
Leg Style: Tapered Leg
Seat fill material: Foam
Indoor/Outdoor Usage: Indoor
Included Components: Armrest/Backrest
Fill Material: Foam
Item Firmness Description: Firm
Recommended Uses For Product: Relaxing
Upholstery Color: Black
Is Customizable: Yes
Item Weight: 28 pounds
Department: Unisex Adult
Manufacturer: Belffin
Item model number: BB-ARM
Date First Available: July 25, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 31 β Jan 1
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Middle Module
Color: Blue
We have some work to do to finish our living room makeover (I'll upload an updated pic when we're done), but wanted to write this review. We are super impressed with the product *and* seller. The modular pieces are truly spectacular in design and ease of putting the pieces together. We normally read instructions step by step and putting the pieces together required no instruction. All the pieces fit together beautifully. The cushions are soft yet firm. Goldilocks would approve - they're just right! The fabric is also plush and nice to the touch. If I spill anything or do irreparable damage, somehow, it's great to know I can buy individual replacement pieces, too. They are solidly built and having feet for each individual piece also prevents the sag you'd normally get in this long of a couch. The storage underneath each seat is a huge bonus, too!! Great place for all our games! We are 5'5" (F) and 5'9" (M) and these couches suit us perfectly. Our boys are 6'3" so we're curious to see how this couch fits taller people. There are extra parts in each bag plus tools to assemble. The seller was super prompt to help me (I accidentally ordered an extra middle piece). Can't say enough great things about this couch!!
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Reviewed in the United States on October 16, 2022 by AmazingAmazon AmazingAmazon
Size: 3 Seater Sofa
Color: Green
I needed a small but efficient couch for an upstairs living room layout. The couch is not too small but also not too big. It fit perfectly and the color is very rich. The softness of the couch is the quality you need for a firm but comfortable seating arrangement. Both myself and my daughter love it. We both laid on it to test out its sturdiness and it help firm. Even the cat loves it! It was also very easy to assemble.
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Reviewed in the United States on October 8, 2025 by πα©αααͺE α°α©απ πα©αααͺE α°α©απ
Size: Middle Module
Color: Grey
I've been looking at this sofa for over a year since I was moving to a tiny house and needed the extra storage. I'd say 95% of the reviews were positive so I took that as a good sign. I ordered two of the middle modules. The color and fabric were exactly as pictured - light grey that leans toward light taupe - I was able to use it with all the dark brown pillows I already own. However both modules had issues. Customer service was very prompt to respond and I was happy with the outcome. Just go over your chairs closely when you get them to make sure they are perfect. And make sure the colors are the same shade because if you order the chairs separately and not as a unit they may come from different fabric lots and/or warehouses. The positives are the storage and since my tiny house bed pulls out from under my living room floor I can put all my bedding and pillows in this couch. It's also easy to assemble. It is comfortable, but much more so when I have it stuffed with pillows or comforters in the storage area. The chairs are a bit more shallow than my previous sectional, but if you lean the backs a couple of inches they feel more roomy. I'd also recommending adding comfortable throw pillows. Figuring out how to move the backs and arms up and down takes a minute, but I'm more concerned that they seem a bit fragile so I may buy backups just in case. In addition, I'm 5'4 and the feet made it a little too tall for me. I'm using it without the feet though I will try to get lower wooden ones in the future. Knowing what I know about this fabric now, I probably would have ordered the blue or green as I think they'd be more stain resistant and there would be no need to stainguard as I did with my previous light-colored sofas. In the future I may replace the sofa with a different color, but this fits in my tiny house and gives me the storage I needed (and I don't have to replace my expensive and comfy brown couch pillows.) I do like the fact that I can replace the arms/backs separately so if there's ever a problem I don't have to replace the whole couch. This is a great sofa for a limited space and adding more storage!
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Reviewed in the United States on January 31, 2023 by Vpictures
Size: 3 Seater Sofa
Color: Black
Great sofa, so soft and comfortable. Love the hidden storage space and I was able to set it up all on my own with some time. Looks amazing and luxe.
Reviewed in the United States on September 29, 2025 by Vness83 Vness83
Size: U Shape Sofa
Color: Green
I have a very particular (small) space in my living room so I researched a lot to find the best combination of style and functionality. I ended going with this modular sofa so it could seat more people and be used as a bed. I was pleasantly surprised by the speed of shipping, extra storage, and easy of assembly. Overall I would probably give 4.5 stars if I could. Below are main takeaways: Pros: Ease of assembly Comfort (cushions are firm and feel like good quality) Color - true rich green Very easy to move around and assemble in whatever way fits best You can purchase extra pieces later to add on The extending arms and back, very cool feature Style Cons: My biggest problem with this and what holds me back from giving a perfect score- the back height. Itβs super low (which I could have known) so itβs not great upper back or next support Length of ottomans- Iβm 5β7 and my legs dangle off the edge pretty far Fabric may be slightly hard to clean (I have dog) Overall Iβm happy with my purchase and will probably buy an extra ottoman to make it one extra wide couch. Iβll update over the next few months if I notice any flaws or issues!
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Reviewed in the United States on March 19, 2022 by Michelle Michelle
Size: L Shape Sofa
Color: Green
I love it. I got the green color and the photos do not do it justice. It's beautiful and very soft. Easy to put together. The seat storage is a life saver!
Reviewed in the United States on October 28, 2025 by karliann karliann
Size: L Shape Sofa
Color: Green
I bought this for my small apartment. Would not be ideal for someone who is very tall. However, I'm not so i love this couch. Its firm and very sturdy. I love that you can open each seat and put items in there. Its very comfortable!
Reviewed in the United States on October 16, 2025 by Ashleigh Clough
Size: U Shape Sofa
Color: Green
This couch is great for the price, I am so pleasantly surprised. The material is soft and a beautiful color. It was fairly easy to put together. The boxes made it easy to fit into our apartment. Itβs comfortable. Overall, I am so happy with it!
Reviewed in the United States on June 17, 2025 by Justin T. Grimbol