Delta Children Serta SleepTrue Mini
Score: 72/100
Letmxiu Premium Dual-Sided
Score: 72/100Rankings
The Delta Children Serta SleepTrue Mini Crib Mattress delivers a firm, lightweight 4-inch profile with a waterproof vinyl cover and sustainable fiber core. Its thinness and absence of breathable cover may not satisfy parents wanting extra cushioning. Perfect for portable mini cribs where weight and exact fit are priorities.
The Letmxiu SY-02 is a dual-stage crib-to-toddler mattress with a fully washable cover and breathable construction. Its main trade-offs are the lack of certifications and a thinner profile compared with premium options. Best for parents who prioritize easy cleaning and dual-stage use over maximum thickness.
| Attribute | | |
|---|---|---|
38 inches | 52 inchesbest | |
24 inches | 27.6 inchesbest | |
4 inches | 5 inchesbest | |
| ↓ lower better | 3.9 lbbest | 7 lb |
4best | 3 | |
1 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Dimensions(3) | ||
Length (inches) | 38 inches | 52 inches |
Width (inches) | 24 inches | 27.6 inches |
Height (Thickness) (inches) | 4 inches | 5 inches |
Safety & Certifications(2) | ||
Certifications | GREENGUARD Gold, JPMA, ASTM/CPSC, CPSIA | 16-CFR-1633, 16-CFR-1632, 16-CFR-1241 |
Number of Certifications | 4 | 3 |
Physical Specs(3) | ||
Weight (lb) | 3.9 lb | 7 lb |
Cover Material | waterproof vinyl | velvet |
Foam Type | fiber | memory foam |
Products in the top-left offer the best value (high score, low price).
Professional editors highlight the mattress's compliance with GREENGUARD Gold, JPMA and ASTM/CPSC standards, emphasizing its low chemical emissions and safety for infant sleep, while noting its lightweight construction as a key advantage for portable setups.
Everyday users consistently praise the mattress's ultra-light weight, exact mini-crib fit, and firm support, but some express concerns about the thinness and occasional snug fit in cribs that are marginally shorter than the stated dimensions.
