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LAVEVE

LAVEVE Heavy Duty Couch Cushion Support Board for Sagging Sofa, 21.5''x70'' | Extra Thick Solid Wood Under Couch Insert with Anti-Slip Dots, Repair Sagging Spring Sofa and Replace Worn Cushions

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Availability: 15 left in stock
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Size: 70" x 21.5" - Couch


Features

  • BIG UPGRADE LAVEVE couch support is upgraded with a multilayer solid wood composite structure, providing firm yet comfortable seating. Each board can withstand up to 400 lbs, ensuring long-lasting durability. The foldable, widened design fits different sofa sizes and offers flexible adjustment. Perfectly solves the problem of sagging couch cushionsmaking your sofa feel as supportive and new as day one.
  • FIT FOR ALL SOFA TYPES - Offered in 19 compatible sizes, LAVEVE cushion support fits everything from chairs and loveseats to large sectionals and deep sofas. The foldable couch support is easy to adjust and combine for a perfect furniture fit in any living space.
  • ANTI-SLIP OXFORD FABRIC COVER - Wrapped in heavy-duty 600D Oxford fabric with silicone dots for grip. This under couch cushion support stays firmly in place without sliding, keeping your couch cushions and frame stable during daily use.
  • SAFE ROUNDED CORNERS - Every edge and corner is carefully rounded and polished, providing safe, comfortable sofa cushion support for families with kids and pets. Works perfectly as a couch cushion replacement, providing firm sofa cushion support and extending your sofas life.
  • INSTALL IN SECONDS - The easiest way to fix sagging couch cushionsno tools required. Simply remove cushions, place the under couch cushion support on the frame, and put cushions back. Instantly restore firmness and comfort. Backed by LAVEVEs quality warranty for lasting confidence.

Brand: LAVEVE


Seat Depth: 21.5 inches


Seat Height: 0.7 inches


Weight Limit: 400 pounds


Seating Capacity: 4


Product Dimensions: 21.5"D x 70"W x 0.4"H


Item Weight: 9.1 pounds


Leg Length: 3 centimeters


Type: Standard


Color: Black


Seat Depth: 21.5 inches


Seat Height: 0.7 inches


Item Dimensions D x W x H: 21.5"D x 70"W x 0.4"H


Item Weight: 9.1 pounds


Leg Length: 3 centimeters


Size: 70" x 21.5" - Couch


Arm Height: Oxford Fabric


Seat Interior Width: 70 inches


Item Depth: 20.5 inches


Item Dimensions: 20.5 x 67 x 0.4 inches


Minimum Required Door Width: 67 inches


Brand Name: LAVEVE


Sofa Type: Standard


Additional Features: Folding


Room Type: Living Room


Number of Pieces: 1


Seat Cushion Quantity: 1


Indoor Outdoor Usage: Indoor


Orientation: [AI] Upright (with a confidence level of 70%)


Included Components: /


Manufacturer Grade: LAVEVE


Recommended Uses For Product: Sofa


Set Name: 70" x 21.5"


Unit Count: 1 Count


Age Range Description: Adult


Manufacturer: LAVEVE


Model Number: 20.5 x 67 inch


Manufacturer Part Number: 001


Warranty Type: Limited


Mfg Warranty Type (i.e. Parts, Labor): Full Warranty


Component Connector Assembly: Not Required


Assembly Instructions Description: Simply remove your sofa cushions, place the couch support underneath, and replace the cushions.


Color: Black


Style Name: Contemporary


Shape: Square


Arm Style: Armless


Pattern: Solid


Back Style: Cushion Back


Cushion Style: Rounded edge


Leg Style: Armless


Theme: Contemporary


Frame Color: Black


Furniture Leg Color: Black


Upholstery Color: Black


Accent Color: Black


Finish Types: textured


Weight Capacity Maximum: 400 pounds


Seating Capacity: 4


Item Firmness Description: Firm


Seat Cushion Configuration: Multiple Cushion Seat


Minimum Weight Capacity: 181.44 kg


Upholstery Fabric Type: Oxford Weave


Frame Material Type: Wood


Material Type: Wood


Has Removable Seat Cushion Cover: false


Product Care Instructions: Hand Wash Only


Seat Fill Material: Foam


Furniture Leg Material: Wood


Seat Back Fill Material: Foam


Back Cushion Removability: Semi-attached


Seat Cushion Removability: Attached


Fill Material: wooden


Material Features: sturdy solid wood and non-slip nylon


Included Throw Pillow Cover Material: Nylon


Cushion Construction: Wood,Oxford Fabric


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: within 30 days

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.

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Top Amazon Reviews

    • Better Than I Expected It Really Works!!!
Size: 72" x 24" - Deep Couch
Review Image by Reese
I was honestly skeptical before buying this, but I’m shocked at how well it actually works. My couch cushions were sinking in the middle and starting to feel really uncomfortable. As soon as I put this underneath, it made a noticeable difference right away—the cushions feel much firmer and more supportive. Installation took maybe a couple minutes, nothing complicated at all. It’s also sturdy enough that it doesn’t slide around once it’s in place. It’s not going to make your couch feel brand new, but it definitely improves it a lot and makes it comfortable again. For the price, this is 100% worth it and way cheaper than replacing a couch. I wish I bought it sooner. ... show more
Reviewed in the United States on April 28, 2026 by Reese
    • No more sagging cushions!!
Size: 70" x 21.5" - Couch
I honestly wasn’t expecting such a big difference, but these support boards completely brought my couch back to life. The cushions used to sink in and feel uneven, especially in the middle, and now everything feels firm, supportive, and comfortable again. Installation took just a couple of minutes — literally unfold and place them under the cushions. The boards feel very sturdy and well made, not flimsy like some cheaper options. They stay in place nicely and instantly improved both the comfort and appearance of the couch. It even helped with back support while sitting for longer periods. For the price, this was an amazing upgrade and saved me from replacing an expensive sofa. Highly recommend to anyone dealing with sagging couch cushions! ... show more
Reviewed in the United States on May 26, 2026 by Craig Ryn
    • Very good product
Size: 70" x 21.5" - Couch
This support board worked very well on my old couch. It’s still in good shape cosmetically, but it’s a sleeper sofa and the cushions had started sagging toward the back and became uncomfortable to sit on. This support board solved the problem! It worked so well, I ordered another one for the matching chair. ... show more
Reviewed in the United States on July 13, 2026 by Amazon Customer
    • This item works well.
Size: 70" x 21.5" - Couch
I previously tried another item to solve my sagging sofa problem, but this item worked best. Would otherwise have had to replace the sofa, so this saved me time and money.
Reviewed in the United States on July 6, 2026 by Mr. B
    • Sag-Free Sofa: LAVEVE Heavy Duty Couch Cushion Support Review
Size: 70" x 21.5" - Couch
We all love sinking into a comfy sofa, but nobody enjoys that "falling into a black hole" feeling caused by sagging cushions. Enter the LAVEVE Heavy Duty Couch Cushion Support, a game-changer for saggy sofas. Measuring 20.5''x67'' and made from thick, solid wood, this support is here to save the day—and your back! The LAVEVE cushion support is crafted from thick, solid wood, making it incredibly sturdy. Unlike flimsy plastic or cardboard alternatives, this support won’t bend, buckle, or break under pressure. It’s designed to provide a firm foundation for your cushions, ensuring they stay in place and maintain their shape. Setting up the cushion support is a breeze. Simply unfold it and place it under your sofa cushions. The 20.5''x67'' size is generous enough to cover a wide area, making it suitable for most sofas. No tools, no fuss—just instant support. What I love about this cushion support is its durable material and easy-to-use design. The thick, solid wood construction means this support will last for years. Unfold, place, and enjoy a firmer seat—it’s that simple. The size is perfect for a wide range of sofas, providing comprehensive support. After installing the LAVEVE cushion support, I invited a friend over to test it out. He plopped down on the sofa with the force of a thousand suns, expecting the usual sag. Instead, he was met with solid support. His wide-eyed surprise was priceless. "Did you get a new couch?" he asked. Nope, just a little help from LAVEVE! The LAVEVE Heavy Duty Couch Cushion Support is a must-have for anyone dealing with saggy sofa syndrome. It’s durable, easy to install, and instantly improves the comfort and longevity of your couch. Say goodbye to the black hole effect and hello to supportive, comfortable seating. Highly recommended for anyone looking to give their old sofa a new lease on life! ... show more
Reviewed in the United States on July 5, 2024 by Chad
    • Took the sag out of my couch!
Size: 70" x 21.5" - Couch
Just got this, but am very happy with it. Totally took out the sag in my couch, fit perfectly. Cushions fit exactly on top, support insert can’t be seen.
Reviewed in the United States on July 24, 2026 by Amazon Prime Customer
    • Wrong direction
Size: 70" x 21.5" - Couch
The quality it really good! I just think the wood slats go the wrong way if you want support
Reviewed in the United States on July 24, 2026 by kim hoffman
    • Very durable and steady
Size: 54" x 21.5" -Large Loveseat
It is very stable, and works perfect for my couch..Now I can sit up without sinking in my couch..
Reviewed in the United States on July 26, 2026 by Mack

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