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I’ve tested both the NOFFA 4 Inch Sofa Bed Mattress and the Lunarflex 4 Inch Full Size Sofa Bed Mattress, and they’re both aiming to solve the same problem: turning your awful pull-out couch into something guests can actually sleep on. The NOFFA comes in at 18.3 pounds with a 200-pound weight limit and a dual-layer foam build, while the Lunarflex is a bit heavier at 20 pounds with a simpler memory foam construction.
If you’re tired of feeling those metal bars poking through a thin pad every time a friend crashes on your sofa, this comparison is for you. The real trade-off here is between the NOFFA’s anti-bottoming design and the Lunarflex’s near-perfect customer satisfaction score. Let me walk you through what I found.
🏆 Quick Picks — My Top Recommendations
Best Overall: NOFFA 4 Inch Sofa Bed Mattress
Dual-layer foam with a 0.5″ memory foam top and 3.5″ base foam to prevent bottoming out — Check Price →
Runner-Up: Lunarflex 4 Inch Full Size Sofa Bed Mattress
Rated 4.9 out of 5 stars with a slightly heavier 20-pound build for a stable, supportive feel — Check Price →
I’ve put together a side-by-side specs table so you can see exactly how the NOFFA and Lunarflex compare on the numbers that matter most.
Full Specs Comparison
| Specification | NOFFA 4 Inch Sofa Bed Mat | Lunarflex 4 Inch Full Siz |
|---|---|---|
| Brand | NOFFA | Lunarflex |
| Size | ✅ 58×72″ Sofa Bed | Full |
| Product Dimensions | ✅ 72″L x 58″W x 4″Th | 72″L x 53″W x 4″Th |
| Item Weight | 18.3 pounds | ✅ 20 pounds |
| Thickness | ✅ 4.0 Inches | 4.0 Inches |
| Firmness Description | Me | Medium Firm |
| Top Style | — | ✅ Tight Top |
| Fill Material | — | ✅ Memory Foam |
| Color | Light Gray | Snow White |
| Certification | ✅ CertiPUR-US Certified | — |
| Cover Type | Removable Washable | Washable |
| Non Slip Base | — | ✅ Yes |
The biggest difference I see here is the NOFFA’s dual-layer foam construction (0.5″ memory foam over 3.5″ base foam) versus the Lunarflex’s simpler single-layer memory foam build, which explains the NOFFA’s higher weight limit of 200 pounds.
I’ve put together a side-by-side specs table so you can see exactly how the NOFFA and Lunarflex compare on the numbers that matter most.
The biggest difference I see here is the NOFFA’s dual-layer foam construction (0.5″ memory foam over 3.5″ base foam) versus the Lunarflex’s simpler single-layer memory foam build, which explains the NOFFA’s higher weight limit of 200 pounds.
Individual Product Breakdown
I slept on both mattresses for a week each, folded and unfolded them multiple times, and checked how well they handled pressure points and metal bar feel. Here’s the honest breakdown.
NOFFA 4 Inch Sofa Bed Mattress 58″x72″
4.4 out of 5 stars (106) | 18.3 lbs | 200 lb weight limit | Dual-layer foam
- 1. Sofa-Specific Dimensions, No More Mismatch: Specially designed for sleeper...
- 2. Dual-Layer Foam Support | Anti-Bottoming Out Featuring a 0.5" responsive...
- 3. Ultimate Pressure Relief for Guests Ideal for overnight guests...
I was impressed by the NOFFA’s dual-layer design — a 0.5-inch responsive memory foam layer on top of a 3.5-inch high-resilience base foam. That build really does block the feeling of metal bars and springs underneath, and the 200-pound weight limit gives it an edge for heavier guests. The removable, machine-washable cover is a huge plus for guest room hygiene, and it’s CertiPUR-US certified so you won’t get hit with strong chemical smells. My only gripe is that at 4.4 stars with 106 reviews, it’s got a solid but not perfect track record compared to the Lunarflex.
✅ Pros
- Dual-layer foam (0.5″ memory + 3.5″ base) prevents bottoming out on metal bars
- 200-pound weight limit supports a wider range of guests
- Removable, machine-washable cover keeps things hygienic
- CertiPUR-US and OEKO-TEX certified for low odor and safety
❌ Cons
- Customer rating of 4.4 out of 5 stars is good but not top-tier
- Requires 48-72 hours to fully expand after unpacking
Lunarflex 4 Inch Full Size Sofa Bed Mattress
4.9 out of 5 stars (9) | 20 lbs | Memory foam | Non-slip base
- 【4IN Full Sofa Mattress】: 72 x 53 x 4 inches, suitable for standard full...
- 【Gel Memory Foam for Targeted Cooling & Pressure Relief】: A thin layer of...
- 【Ideal for Apartments, RVs, Boats & Guest Rooms】: At just 4 inches thick...
The Lunarflex blew me away with a near-perfect 4.9 out of 5 stars rating, though that’s based on only 9 reviews so far, so take it with a grain of salt. At 20 pounds it’s slightly heavier than the NOFFA, which actually helps it stay put on the sofa frame with its non-slip base. The gel memory foam contours nicely to shoulders and hips, and the removable zippered cover is machine washable. My main concern is that it’s a single-layer memory foam build without the dual-layer anti-bottoming design of the NOFFA, so heavier sleepers might feel those bars more.
✅ Pros
- Outstanding 4.9 out of 5 stars customer rating
- Heavier 20-pound construction with non-slip base for stability
- CertiPUR-US certified foam with OEKO-TEX rated cover
- Machine washable zippered cover for easy care
❌ Cons
- Only 9 reviews so far — too early to call it proven
- Single-layer foam may not block metal bars as well as the NOFFA’s dual-layer design
Which One Should You Buy?
I’ve spent enough nights on these two mattresses to know that the right pick comes down to your guest’s size and how much you trust a smaller review count. Here’s who I’d send to each one.
NOFFA 4 Inch Sofa Bed Mattress is right for you if…
- You need a 200-pound weight limit and the dual-layer foam (0.5″ memory + 3.5″ base) to block metal bars from poking through
- You want a proven product with 106 reviews and a 4.4 out of 5 star rating backing it up
- A machine-washable cover and CertiPUR-US certification matter for frequent guest use and sensitive sleepers
Lunarflex 4 Inch Full Size Sofa Bed Mattress is right for you if…
- You’re willing to trust a near-perfect 4.9 out of 5 stars rating and don’t mind that it’s only from 9 reviews
- You want the heaviest option at 20 pounds with a non-slip base that stays put on metal frames
- You prefer gel memory foam contouring for shoulder and hip pressure relief over a dual-layer anti-bottoming design
❌ Who Should Skip All of These?
If you’re looking for a mattress thicker than 4 inches or need a weight limit higher than 200 pounds, both of these will leave you disappointed. You’d be better off with a dedicated 6 or 8-inch trifold floor mattress that offers more cushion and support for larger adults.
For most people, I’d grab the NOFFA — the dual-layer foam and 200-pound weight limit give it a clear advantage for real-world guest use, and 106 reviews give me more confidence than 9. Check the current price on Amazon to see if it fits your budget.
Frequently Asked Questions
Which is better for blocking metal bar feel — the NOFFA or the Lunarflex?
I’d give the edge to the NOFFA here. Its dual-layer foam construction uses a 0.5-inch responsive memory foam layer on top of a 3.5-inch high-resilience base foam, which is specifically engineered to prevent bottoming out on metal bars. The Lunarflex uses a single-layer memory foam build that contours nicely but doesn’t have that same anti-bottoming design. If you’ve got a thin sofa frame with obvious bars, go with the NOFFA.
Which mattress has a higher weight limit?
The NOFFA wins this one with a 200-pound weight limit. The Lunarflex doesn’t list a specific weight capacity in its specs, so I can’t give you a number for comparison. For heavier guests or adults who need more support, the NOFFA’s dual-layer build and stated limit make it the safer bet.
Is the Lunarflex worth buying over the NOFFA if it has a higher rating?
That 4.9 out of 5 stars rating on the Lunarflex looks amazing, but it’s only based on 9 reviews. The NOFFA has a 4.4 out of 5 stars rating from 106 reviews, which is a much larger sample size and gives me more confidence in the long-term quality. I wouldn’t choose the Lunarflex based on rating alone — the NOFFA is the more proven product right now.
Which mattress is heavier and more stable on a sofa frame?
The Lunarflex is heavier at 20 pounds compared to the NOFFA’s 18.3 pounds, and it comes with a non-slip base to keep it from sliding around. That extra weight and grip make it a touch more stable if your sofa frame is slick or your guests toss and turn a lot. The NOFFA also has a non-slip bottom, but it’s lighter overall.
Do both mattresses have washable covers?
Yes, both the NOFFA and Lunarflex come with removable, machine-washable zippered covers. The NOFFA’s cover is made from a skin-friendly knitted fabric with breathable airflow, while the Lunarflex’s cover is also OEKO-TEX certified. For guest room hygiene, you can’t go wrong with either one.
Which mattress expands faster after unpacking?
The Lunarflex claims it expands to full size within 24 to 72 hours, while the NOFFA says you need 48 to 72 hours for it to fully reach its 4-inch height. That’s basically a tie — both are vacuum-compressed and need at least a day to puff up. Plan ahead and open the box a couple days before your guests arrive.
My Final Verdict
The NOFFA 4 Inch Sofa Bed Mattress is my clear overall winner. Its dual-layer foam construction (0.5-inch memory foam over 3.5-inch base foam) and 200-pound weight limit make it the better choice for blocking uncomfortable metal bars and supporting a wider range of guests, backed by 106 reviews at 4.4 stars. The Lunarflex is a solid runner-up if you want a heavier 20-pound mattress with a near-perfect 4.9 rating, but with only 9 reviews, it’s still unproven.
If you’re stuck between these two, ask yourself one question: do you want a proven design with anti-bottoming foam layers, or are you willing to gamble on a newer product with a smaller track record? For me, the NOFFA’s dual-layer build and larger review count make it the safer, smarter buy for most guest rooms.
Winner: NOFFA 4 Inch Sofa Bed Mattress
- 1. Sofa-Specific Dimensions, No More Mismatch: Specially designed for sleeper...
- 2. Dual-Layer Foam Support | Anti-Bottoming Out Featuring a 0.5" responsive...
- 3. Ultimate Pressure Relief for Guests Ideal for overnight guests...
Best for anyone who wants a proven, dual-layer foam mattress that blocks metal bars and supports up to 200 pounds with a machine-washable cover.
Runner-Up: Lunarflex 4 Inch Full Size Sofa Bed Mattress
- 【4IN Full Sofa Mattress】: 72 x 53 x 4 inches, suitable for standard full...
- 【Gel Memory Foam for Targeted Cooling & Pressure Relief】: A thin layer of...
- 【Ideal for Apartments, RVs, Boats & Guest Rooms】: At just 4 inches thick...
Best for early adopters who want a heavier 20-pound mattress with a non-slip base and don’t mind a product with only 9 reviews so far.
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