Sleep · Last checked Sep 30, 2026
Lullaby Earth Breeze 2-Stage Crib Mattress
Verdict
A very light, breathable polymer mattress with a firm infant side and softer toddler side, at a lower price than most certified options.
Very light2-stageGREENGUARD GoldMADE SAFE
What parents and testers say
Recurring praise
- Extremely lightweight
- Breathable, seamless edges
- Strong value
Recurring complaints
- Slightly rounded corners; check the fit in your crib
- Cover backing materials aren't fully disclosed
Our summary of patterns across the reviews and threads linked below. Not quotes.
Materials & safety check
✓CertificationsGREENGUARD Gold and MADE SAFE
✓Flame retardantsNone used
!FitRounded corners can leave small gaps in some cribs
✓RecallsNone found in CPSC crib recalls since 2019
When to buy it
Registry
Add it early so it arrives before the third trimester ends
By 36 weeks
Set it up and wash anything fabric
Months 4–6
Plan the next stage: crib, sleep sack or bigger size
Consider instead: Newton Crib Mattress for a washable core.
Sources
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