1. Product Overview
The Mellow 12-inch Metal Platform Bed Frame provides a sturdy and reliable foundation for your mattress. Constructed from heavy-duty steel, this frame features metal slat support, eliminating the need for a traditional box spring. Its modern, low-profile design allows for easy access to and from the bed and offers ample under-bed storage space.
- Heavy-Duty Steel Construction: Ensures enhanced stability and durability.
- Steel Slat Mattress Foundation: Provides robust support for your mattress without requiring a box spring.
- Noise-Free Design: Engineered to prevent squeaking and movement.
- Easy Quick Lock Assembly: Designed for quick and straightforward assembly with included tools.
- Modern Low-Profile Design: Offers a contemporary aesthetic and convenient bed height.
- Hinged Corners: Thoughtful design for safety and aesthetics.

Image: Mellow 12-inch metal platform bed frame with a mattress.
2. Safety Information
Please read and understand all safety information before assembly and use.
- Weight Limit: Do not load more than 350 pounds on the bed frame.
- Sharp Edges: Exercise caution around the edges of the metal frame during assembly and use to prevent injury.
- Secure Assembly: Ensure all bolts and connections are tightened securely before placing a mattress on the frame. Periodically check and re-tighten connections.
- Proper Placement: Place the bed frame on a level surface to ensure stability.
3. Package Contents
Verify that all components are present before beginning assembly. If any parts are missing or damaged, please contact Mellow customer support.

Image: Exploded view of Mellow bed frame components.
4. Setup and Assembly Instructions
The Mellow 12-inch Metal Platform Bed Frame features an easy quick-lock assembly system, requiring no additional tools beyond those included in the package. Assembly can typically be completed in minutes.
Assembly Steps:
- Unpack all components and lay them out on a clean, flat surface. Refer to the package contents image to identify each part.
- Connect the main frame sections using the quick-lock mechanism. Ensure each connection clicks securely into place.
- Attach the support legs to the designated points on the frame. Tighten all bolts using the provided hex key.
- Unfold the steel slats and place them onto the frame. The slats are designed to fit snugly and provide even support.
- For models with anti-slip tape on the slats, peel off only the top vinyl strip to expose the adhesive surface. This helps prevent the mattress from sliding.
- Double-check all connections to ensure they are tight and secure before proceeding.

Image: Detail of a hinged corner connection.

Image: Detail of a steel slat connection.
Assembly Video:
Video: Official demonstration of the Mellow hinged corner metal platform bed frame assembly process.
5. Operating Instructions
Once assembled, the Mellow platform bed frame is ready for use. Simply place your mattress directly onto the steel slats. No box spring is required.
Mattress Placement:
- Carefully place your King size mattress onto the assembled frame, ensuring it is centered and aligned with the frame edges.
- The integrated anti-slip tape on the slats (if applicable) will help keep your mattress in place.

Image: Under-bed storage space demonstration.
6. Maintenance
Regular maintenance will help prolong the life and performance of your bed frame.
- Cleaning: Wipe the metal frame with a damp cloth and mild detergent as needed. Avoid abrasive cleaners.
- Bolt Check: Periodically inspect all bolts and connections. Re-tighten any loose bolts to maintain stability and prevent noise.
- Under-Bed Area: Regularly clean the area under the bed frame to prevent dust accumulation.
7. Troubleshooting
If you encounter any issues with your Mellow bed frame, refer to the following common solutions:
- Squeaking Noises: If the frame begins to squeak, check all bolts and connections. Loose connections are the most common cause of noise. Tighten any loose bolts.
- Mattress Sliding: Ensure the anti-slip tape on the slats is properly exposed (if applicable). If the mattress continues to slide, a non-slip mattress pad can be placed between the mattress and the slats.
- Instability: Verify that the bed frame is placed on a flat, even surface. Check all leg connections and frame joints for tightness.
8. Specifications
| Brand | Mellow |
| Model Number | King 12" |
| Size | King |
| Product Dimensions | 79.5"L x 75.5"W x 12"H |
| Material | Alloy Steel |
| Color | Black |
| Assembly Required | Yes |
| UPC | 842165114693 |

Image: Dimensions of the Mellow 12-inch King size bed frame.
9. Warranty and Support
For any questions, concerns, or warranty inquiries regarding your Mellow 12-inch Metal Platform Bed Frame, please contact Mellow customer support directly. Refer to the product packaging or the official Mellow website for contact information.
Mellow is committed to providing quality home furnishing essentials and customer satisfaction.





