Delta Children 4" Breathable Mini Crib Mattress with Cloud Core
The Delta Children 4" Breathable Mini Crib Mattress with Cloud Core weighs 8.2 lb, is 4 in thick, and is 38 in long, per Delta Children. A 4-inch mini crib mattress with a Cloud Core, a newborn side and a washable knit cover.
Made in the USA, per the maker “Made in the USA with foreign and domestic parts” Source
- $99.99List price
- 4 inThickness
- 8.2 lbWeight
- PolymerCore
How the 4" Breathable Mini Crib Mattress with Cloud Core stacks up
Against the 34 mini and portable crib mattresses we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for mini and portable crib mattresses (37.5 in to 38 in).
The same as most mini and portable crib mattresses (24 in).
Above the typical range for mini and portable crib mattresses (2.8 lb to 8 lb).
Within the typical range for mini and portable crib mattresses (3 in to 4 in).
Within the typical range for mini and portable crib mattresses ($39.99 to $119).
What sets the 4" Breathable Mini Crib Mattress with Cloud Core apart
Measured against the 34 mini and portable crib mattresses we compare, from each maker's published specs.
- Washable cover5 of the 15 mini and portable crib mattresses with this listed have it
- Weight: 8.2 lbabove the middle half of the 29 mini and portable crib mattresses that publish it (2.8 lb to 8 lb)
Next to its closest matches
- DaVinci Deluxe Coil Firm Support Mini Crib MattressNext to it, the 4" Breathable Mini Crib Mattress with Cloud Core is 0.5 in longer; 0.2 lb heavier; $19 less.
- Stokke Sleepi Mini Mattress V3Next to it, the 4" Breathable Mini Crib Mattress with Cloud Core is 7.9 in longer; 0.8 in wider; 0.9 in thicker.
- Moonlight Slumber Starlight Support Mini Crib MattressNext to it, the 4" Breathable Mini Crib Mattress with Cloud Core is 0.5 in longer; 0.5 in wider; 2 in thicker.
Fit check
| Size, per the maker | 38 × 24 × 4 in |
|---|---|
| Fits, per the maker | Maker says it fits most mini cribs and portable cribs; not designed for standard cribs or Pack 'n Plays; measure your crib first. |
| Sides | Two: a firmer infant side and a toddler side, per the maker |
Listed features
- Removable machine-washable cover
- Lifetime warranty
Worth checking
- Priced above most mini mattresses
Where to buy the 4" Breathable Mini Crib Mattress with Cloud Core
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Delta Children 4" Breathable Mini Crib Mattress with Cloud Core | |
|---|---|
| Type | Mini or portable crib mattress |
| List price | $99.99 |
| Size | 38 × 24 × 4 in |
| Thickness | 4 in |
| Made for | Maker says it fits most mini cribs and portable cribs; not designed for standard cribs or Pack 'n Plays; measure your crib first. |
| Weight | 8.2 lb |
| Core | Polymer: polymer/fiber: "Cloud Core" made from upcycled materials |
| Two-stage | Yes, infant and toddler sides |
| Firm for infants | Yes, per the maker |
| Waterproof | Yes |
| Washable cover | Yes |
| Breathable design | Yes, per the maker |
| Certifications | GREENGUARD Gold, JPMA certified |
| Warranty | Limited lifetime |
| Made in | USA with foreign and domestic parts |
Compare the 4" Breathable Mini Crib Mattress with Cloud Core with
How each closest rival differs from the 4" Breathable Mini Crib Mattress with Cloud Core, from the makers' specs.
- DaVinciDeluxe Coil Firm Support Mini Crib Mattress8 lb4 in thick$119
- 0.5 in shorter
- 0.2 lb lighter
- $19 more
- StokkeSleepi Mini Mattress V33.1 in thick$89$89
- 7.9 in shorter
- 0.8 in narrower
- 0.9 in thinner
- Moonlight SlumberStarlight Support Mini Crib Mattress2 in thick$80$80
- 0.5 in shorter
- 0.5 in narrower
- 2 in thinner
- Moonlight SlumberLittle Dreamer Mini Crib Mattress5 in thick$129$129.99
- 1 in thicker
- $30 more
4" Breathable Mini Crib Mattress with Cloud Core: questions answered
From Delta Children's published specs, last checked 2026-11-02.
What does the Delta Children 4" Breathable Mini Crib Mattress with Cloud Core fit?
The maker lists it at 38 × 24 × 4 in. Per the maker: Maker says it fits most mini cribs and portable cribs; not designed for standard cribs or Pack 'n Plays; measure your crib first. Mini crib sizes vary by brand, so check your crib's manual for the exact mattress size it takes.
How does a two-stage mattress like the Delta Children 4" Breathable Mini Crib Mattress with Cloud Core work?
One side is firmer for infants and the other is softer for toddlers. Follow the maker's instructions on when to switch sides. Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
What is the Delta Children 4" Breathable Mini Crib Mattress with Cloud Core made of?
Polymer/fiber: "Cloud Core" made from upcycled materials. The maker lists GREENGUARD Gold, JPMA certified. It weighs 8.2 lb, which matters when you change sheets.
Is the Delta Children 4" Breathable Mini Crib Mattress with Cloud Core waterproof or washable?
The maker says it has a waterproof surface or cover. It has a removable, machine-washable cover.
What's the difference between the Delta Children 4" Breathable Mini Crib Mattress with Cloud Core and the DaVinci Deluxe Coil Firm Support Mini Crib Mattress?
By the maker specs, the 4" Breathable Mini Crib Mattress with Cloud Core lists for $19.01 less, the Deluxe Coil Firm Support Mini Crib Mattress is lighter (8 vs 8.2 lb). See them side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More mini and portable crib mattresses
- DaVinciComplete Slumber Waterproof Mini Crib Mattress4 lb4.5 in thick$89
- Dream On Me2 in 1 Breathable Two-Sided Portable/Mini Crib Coil Mattress8 lb3 in thick$51.99
- BabylettoPure Core Midi Crib Mattress with Hybrid Quilted Waterproof Cover (Lightweight)8 lb4 in thick$199
- Simmons KidsSlumberTime Naturally 4-Inch Mini Crib Mattress3.9 lb4 in thick$69.99
- Dream On MeStar-Burst 3" Spring Coil Portable Crib Mattress5 lb3 in thick$59.99
- Newton BabyMini Crib Mattress9 lb3 in thick$199.99
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.
