Introduction
This manual provides essential information for the assembly, operation, and maintenance of your Belffin Modular Sectional Sofa. Please read these instructions carefully before assembly and use to ensure safe and proper functionality.
Safety Information
- Keep away from open flames or high heat sources.
- Supervise children and pets to avoid entrapment risks in the storage seats.
- Ensure the sofa is flame-retardant.
Package Contents
Your modular sectional sofa is delivered in multiple cartons. Please verify all components are present before beginning assembly.

Image Description: A diagram illustrating the overall dimensions of the assembled L-shaped sofa (116.6" W x 58.3" D x 33.5" H) and the contents of three different cartons: Carton A (Armrest/Backrest Module), Carton B (Middle Module), and Carton C (Ottoman Module), along with their respective weights and dimensions.
Each module is individually packaged for protection during transit.
Assembly Instructions
The Belffin Modular Sectional Sofa is designed for easy assembly without the need for additional tools. Follow these steps:
- Unpack all components from their cartons.
- Locate the legs and attach them to the bottom of each seat module.
- Identify the armrest/backrest modules. These can be used interchangeably.
- Attach the armrest/backrest modules to the seat modules using the provided brackets. Ensure they are securely fastened.
- Connect individual seat modules using the metal brackets located underneath the cushions. These brackets slide into pre-drilled holes to secure the modules together.
- Adjust the backrests and armrests to your desired angle (up to 135°).
No tools are needed for assembly, and detailed instructions are included with the product.
Configuration Options
The modular design allows for flexible arrangement to suit various living spaces and preferences. You can configure the sofa into:
- An L-shaped sofa with a reversible chaise.
- A U-shaped sofa.
- A sleeper sofa with ottomans.
- Individual seating units.
Simply detach and reattach modules as needed to create your desired layout.

Image Description: An overhead view of a black modular sectional sofa arranged in an L-shape, demonstrating its versatile configuration in a spacious living room.
Operating Instructions
Adjustable Backrest & Armrest
The backrests and armrests of each module can be adjusted to angles within 135 degrees. To adjust, gently push or pull the backrest/armrest to the desired position. The mechanism will lock into place.

Image Description: A visual representation of the adjustable backrest and armrest feature, illustrating how they can recline up to a 135-degree angle for personalized comfort.
Storage Seats
Each seat module features built-in storage. To access, lift the seat cushion. The cushion will remain open, providing convenient storage space for blankets, toys, or other items.

Image Description: An image showing multiple seat cushions lifted to reveal spacious built-in storage compartments beneath, ideal for organizing household items.

Image Description: A side-by-side comparison illustrating the evolution of the storage mechanism, with the "New version" featuring a wooden frame for stability, easy, pinch-free access, and removable cushions for cleaning, contrasting with an "Old version" that had pinch risks and non-removable cushions.
Care and Maintenance
Cleaning
The sofa features velvet fabric that is pet-friendly and easy to clean. For general cleaning, use a lint roller to remove pet hair. For spills or stains, follow the cleaning code: W or WS.
- Code W: Clean with water-based cleaning agents or foam.
- Code WS: Clean with water-based cleaning agents or foam, or solvent-based cleaning agents.
The removable cushion covers are machine-washable for convenience.

Image Description: A woman demonstrating the removable and machine-washable cushion covers, highlighting the ease of maintenance for the sofa.

Image Description: A composite image showcasing key features: a person using a lint roller on the pet-friendly velvet sofa with a cat, a deep seat with a high backrest for lounging, and a close-up of a foot pressing into a soft, thick cushion, emphasizing comfort and durability.
Troubleshooting
If you encounter any issues with your Belffin Modular Sectional Sofa, please refer to the following general advice:
- Loose Connections: Re-check all connecting brackets between modules and ensure they are fully engaged.
- Stiff Adjustments: Ensure no fabric is caught in the adjustable backrest/armrest mechanism. Apply gentle, even pressure when adjusting.
- Uneven Seating: Verify that all legs are securely attached and that the sofa is placed on a level surface.
For further assistance, please contact Belffin customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Belffin |
| Model | B0CCHST3ZM |
| Type | Sectional, Modular Sofa |
| Color | Black |
| Material Type | Velvet, Metal (Frame), Foam (Fill) |
| Product Dimensions (D x W x H) | 58.3"D x 116.6"W x 33.5"H |
| Item Weight | 54 Pounds |
| Seating Capacity | 4 |
| Seat Depth | 26.4 inches |
| Seat Height | 17.7 Inches |
| Arm Height | 27.1 Inches |
| Additional Features | Adjustable Arm/Backrest, Storage Seats, Removable Seat Cushion Cover |
| Assembly Required | Yes (No tools needed, includes all assembly tools) |
| Product Care Instructions | Cleaning code: W or WS |
Warranty and Support
For warranty information or customer support, please refer to the documentation included with your product or visit the official Belffin website. Belffin offers 30-day easy returns and dedicated customer support.
For additional support, you may visit the Belffin Store on Amazon.






