Sealy Butterfly
Score: 77/100
Delta Children Twinkle Stars
Score: 81/100Rankings
Delta Children's Miles 4-in-1 Convertible Crib mattress offers GREENGUARD Gold certification, waterproof hypoallergenic encasement, and a reversible 2-stage design for extended use. Availability is limited as the product is discontinued and the toddler guardrail must be purchased separately. Ideal for families seeking a certified, waterproof mattress that can grow with the child.
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.
| Attribute | | |
|---|---|---|
52 inchesbest | 52 inchesbest | |
28 inchesbest | 27.5 inches | |
4.5 inches | 5 inchesbest | |
| ↓ lower better | 1 lbbest | 8.5 lb |
3best | 2 | |
7 yearsbest | 7 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Dimensions(2) | ||
Width (inches) | 28 inches | 27.5 inches |
Height (Thickness) (inches) | 4.5 inches | 5 inches |
Safety & Certifications(2) | ||
Certifications | GREENGUARD GOLD, CERTIPUR-US, ASTM crib mattress standards | GREENGUARD Gold; JPMA |
Number of Certifications | 3 | 2 |
Physical Specs(2) | ||
Weight (lb) | 1.0 lb | 8.5 lb |
Foam Type | premium foam | fiber |
Features(1) | ||
2‑Stage Adjustability | false | true |
Products in the top-left offer the best value (high score, low price).
