

🌙 Sleep Smart, Grow Happy — The Mattress Every Millennial Parent Trusts
The Letmxiu Premium Crib & Toddler Mattress features a 5-inch thick dual-layer memory foam core with a seamless 100% knitted fabric cover and hypoallergenic fleece surface. Designed to fit all standard cribs and toddler beds (54"x29.5"), it offers firm support for infant safety and a softer side for toddler comfort. Breathable, odorless, and non-toxic materials ensure a healthy sleep environment. Highly rated and easy to set up, this mattress balances premium quality with practical convenience for modern parents.









| ASIN | B0BLK39GTG |
| Additional Features | High Density Foam-Firm,No noise,Sleep Safe. Knitted Fabric-Soft, Breathable. |
| Age Range Description | 0-5 YEARS |
| Best Sellers Rank | #588 in Baby ( See Top 100 in Baby ) #2 in Crib Mattresses |
| Brand Name | Letmxiu |
| Color | Simple |
| Construction Type | Memory Foam |
| Cover Material | Velvet |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,946) |
| Fill Material | Memory Foam |
| Included Components | After-sales warranty card |
| Is Customizable? | No |
| Is Foldable | No |
| Item Depth | 5 inches |
| Item Dimensions | 52 x 27.6 x 5 inches |
| Item Dimensions L x W x Thickness | 52"L x 27.6"W x 5"Th |
| Item Firmness Description | Firm |
| Item Type Name | crib mattress |
| Item Weight | 7 Pounds |
| Manufacturer | luoshu |
| Material Type | Foam |
| Mattress Comfort Layer Material | Memory foam |
| Model Name | SY-02 |
| Model Number | SY-02 |
| Number of Layers | 2 |
| Portable | No |
| Product Benefits | Offers firm support, quiet and odorless design, and convenient setup for baby safety and comfort |
| Product Care Instructions | Hand Wash Only |
| Size | 52" x 27.6" x 5" |
| Style Name | Simple |
| Weight Capacity Maximum | 50 Pounds |
| top-style | Tight Top |
A**S
I recommend it
I’m absolutely delighted with this mattress! It offers excellent firmness and support, yet is comfortable enough for my little one as they transition from crib to toddler bed. The dual-sided design was a fantastic bonus — nice and firm for infants, then a slightly softer side as they grew. The hypoallergenic materials feel safe and high-quality, and it fits perfectly with our crib setup. Easy to keep clean and totally worth the investment. Highly recommend for any parent wanting a reliable, premium mattress for their child.
N**T
Comfy dreams for my little dreamer 😴✨
The mattress is absolutely amazing! The 100% knitted fabric with the premium fleece surface is so soft and cozy, I swear my baby feels like she’s sleeping on a cloud. She’s more comfortable, sleeps peacefully, and honestly, it makes bedtime a little happier for both of us. The mattress is firm enough to be safe for baby while still giving a plush, comfy feel. Easy to clean and high-quality — exactly what I wanted for her nursery. Pros: Super soft premium fleece surface Comfortable yet firm enough for baby’s safety Easy to clean and maintain High-quality construction Cons: Baby might never want to leave the crib (bonus problem 😅) You may be tempted to nap in there yourself Verdict: Amazing. A perfect balance of comfort and safety — my baby sleeps happy, and so do I!
Z**.
Crib mattress
I purchased this crib mattress for my baby and I’m really happy with it. The quality is great it feels firm enough for safe sleep, but still comfortable. My baby sleeps well on it and I feel at ease knowing it’s supportive. The size fit perfectly in the crib with no gaps, which gives me peace of mind. It’s also lightweight, which makes changing sheets super easy. No smell , easy cleaning. Overall, I’d definitely recommend this crib mattress to other parents looking for something safe, comfortable, and affordable. Compatible with Delta baby crib
P**K
Comfortable and perfect size
Great quality and price. My great grandson slept so well. Fits his new bed perfectly
S**Z
Really lovely!
Really lovely!! Very well made and quality. Super soft and doesn’t smell funky or like chemicals which is always a plus. Expands after 30 minutes and poofs up.
L**.
Soft and Durable! BUY IT NOW!!!
Beautiful mattress! Functions as expected. Feels so soft already and it hasn’t fully expanded as yet. My daughter is about to be 2 next month and she already loves laying on it. The box was not heavy, the mattress was snugged in there. Highly durable, holds my daughter’s weight perfectly. The mattress also fits perfectly in her princess bed. I haven’t had a reason to clean it yet but it should be easy because it came with instructions on what to use when that time comes so that’s a plus. Highly recommend! Great buy for the price!
D**E
Soft
Mattress was soft . Easy to stain ! Pretty thick & seem comfortable for my son ! He’s 7. Mattress is perfect size for toddler bed ! Would recommend! Pretty good for the price !
A**A
Great Crib Mattress
great mattress, fits most beds, firm and doesn't feel cheap
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