
Sealy Butterfly
Score: 77/100
Dream On Me Zzz Gold
Score: 77/100Rankings

The Sealy Butterfly Mattress delivers a firm, ASTM-compliant sleeping surface with a breathable, waterproof design, ideal for standard full-size cribs. Its single-stage foam construction and relatively short 7-year warranty limit long-term adaptability. Best suited for parents seeking a lightweight, easy-setup mattress with solid safety certifications.

The Dream On Me Baby Zzz 5" full-size mattress combines a breathable foam core with a washable, water-resistant cover for easy care. Its main limitation is the 24-72 hour expansion period and some confusion around warranty terms. Best for families needing a lightweight, certified mattress that ships compactly.
| Attribute | ![]() | ![]() |
|---|---|---|
52 inchesbest | 52 inchesbest | |
28 inchesbest | 28 inchesbest | |
4.5 inches | 5 inchesbest | |
| ↓ lower better | 1 lbbest | 13.5 lb |
3 | 4best | |
7 yearsbest | 7 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Dimensions(1) | ||
Height (Thickness) (inches) | 4.5 inches | 5 inches |
Safety & Certifications(2) | ||
Certifications | GREENGUARD GOLD, CERTIPUR-US, ASTM crib mattress standards | Greenguard Gold; JPMA; CertiPUR-US; Federal Flammability Standards |
Number of Certifications | 3 | 4 |
Physical Specs(3) | ||
Weight (lb) | 1.0 lb | 13.5 lb |
Cover Material | breathable knit fabric | Polyester, machine-washable, water-resistant, stain-resistant, hidden zipper |
Foam Type | premium foam | Breathable Foam |
Features(1) | ||
Waterproof | true | false |


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

Pros: Plush yet firm breathable foam provides pediatrician-recommended support for infants and toddlers; Machine-washable, water-resistant polyester cover with hidden zipper simplifies cleaning and protects against spills; Greenguard Gold and JPMA certifications ensure low VOC emissions and compliance with safety standards; Lightweight (13.5 lb) and compressed in-box design makes shipping and storage convenient; Fire-proof fiber core meets Federal Flammability Standards for added safety. Cons: Requires 24-72 hours to fully expand after unpacking, delaying immediate use; Compressed delivery may result in temporary uneven surface if not allowed sufficient time to regain shape; Warranty information varies across sources, with some listing only a 30-day limited warranty; Potential risk of loose bedding hazards as warned by CPSC, requiring additional bedding precautions.

