
Dream On Me Holly
Score: 79/100
Delta Children Serta SleepTrue Mini
Score: 72/100Rankings

The Dream On Me Holly 3" Fiber Portable Mattress provides a lightweight, reversible design with a breathable infant side and waterproof toddler side, backed by multiple safety certifications. However, it only fits mini and portable cribs and its thin 3-inch profile may feel less plush. Best suited for on-the-go families needing a portable, certified sleep surface.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
38 inchesbest | 38 inchesbest | |
24 inchesbest | 24 inchesbest | |
3 inches | 4 inchesbest | |
| ↓ lower better | 2.5 lbbest | 3.9 lb |
5best | 4 | |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Dimensions(3) | ||
Length (inches) | 38.0 inches | 38 inches |
Width (inches) | 24.0 inches | 24 inches |
Height (Thickness) (inches) | 3.0 inches | 4 inches |
Safety & Certifications(2) | ||
Certifications | GREENGUARD Gold, CertiPUR-US, Federal Flammability Standards (16 CFR 1632/1633), Phthalate/Lead free, Made in USA | GREENGUARD Gold, JPMA, ASTM/CPSC, CPSIA |
Number of Certifications | 5 | 4 |
Physical Specs(3) | ||
Weight (lb) | 2.5 lb | 3.9 lb |
Cover Material | embossed soft vinyl | waterproof vinyl |
Foam Type | eco fiber | fiber |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and product editors emphasize the Dream On Me 24's safety credentials, noting its GREENGUARD Gold and CertiPUR-US certifications, breathable airflow technology, and reversible waterproof design as standout features that make it a reliable choice for infant sleep safety.
Everyday users consistently praise the mattress for its lightweight portability, ease of cleaning, and comfortable foam feel when paired with folding cribs, while the main concerns revolve around the need for tightly fitted sheets and its incompatibility with full-size cribs.

“ultimate space-saver”

“comfy foam over hard plastic”


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.