Serta Sparkling Sky 4" Mini/Portable Dual Sided Crib & Toddler Mattress, GREENGUARD Gold Certified

4.5 stars out of 139 reviews
(4.5)|
139 ratings

Key item features

  • FITS MINI AND PORTABLE CRIBS: This baby mattress fits most mini cribs and portable cribs; mattress measures 38"L x 24"W x 4"H (NOT designed for standard cribs or Pack 'n Plays) | Measure your crib first to ensure a perfect fit
  • IDEAL SUPPORT FOR BABY: Firm hypoallergenic fiber core made from recycled bottles delivers the perfect firmness level for babies while helping save over 150 bottles from the landfill—great for babies, great for the environment | Non-toxic construction is free from harmful materials/chemicals 
  • WATERPROOF FOR EASY CLEANING: Features a durable, waterproof vinyl cover that wipes clean 
  • SAFETY CERTIFICATIONS: This mattress is GREENGUARD Gold certified, which means it’s made of materials with low chemical emissions, helping contribute to healthier environments and indoor air in your home; JPMA certified | Meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants 
  • TRUSTED WARRANTY: This mini crib mattress comes with a limited 10 year warranty
Current price is $49.98
Price when purchased online
  • Free shipping
  • Free 90-day returns

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Comparison Chart:
Mattress Top TypeTight TopSerta Sparkling Sky 4" Mini/Portable Dual Sided Crib & Toddler Mattress, GREENGUARD Gold CertifiedTight TopDream on Me, 2-In-1 Breathable Foam Two-Sided 3" Mini/Portable Crib MattressTight TopHolly 3 inch Fiber Portable/Mini Crib MattressTight TopSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyTight TopDream On Me Sunset 3” Extra Firm Mini Crib Mattress | Greenguard Gold Certified | Waterproof Vinyl Cover | Fits Mini and Portable CribsTight TopPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsEuro TopGanondorf 38"X26" Trifold Pack and Play Mattress Mini Pack N Play Mattress Dual-Sided Memory Foam, Waterproof, Breathable, Anti-Slip, Portable Mattress PadTight TopSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USATight TopSleepah Pack and Play Mattress Foam Pad 38 x 26 x 1 for Playpen, Portable Playyard Mattress - Soft Waterproof Washable & Removable Cover Breathable Mattress Topper
Mattress TypeMemory Foam MattressesSerta Sparkling Sky 4" Mini/Portable Dual Sided Crib & Toddler Mattress, GREENGUARD Gold CertifiedDual SidedDream on Me, 2-In-1 Breathable Foam Two-Sided 3" Mini/Portable Crib MattressMemory Foam MattressesHolly 3 inch Fiber Portable/Mini Crib MattressPoly Foam MattressesSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyPoly Foam MattressesDream On Me Sunset 3” Extra Firm Mini Crib Mattress | Greenguard Gold Certified | Waterproof Vinyl Cover | Fits Mini and Portable CribsMemory Foam MattressesPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsMemory Foam MattressesGanondorf 38"X26" Trifold Pack and Play Mattress Mini Pack N Play Mattress Dual-Sided Memory Foam, Waterproof, Breathable, Anti-Slip, Portable Mattress PadPoly Foam MattressesSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USAMemory Foam MattressesSleepah Pack and Play Mattress Foam Pad 38 x 26 x 1 for Playpen, Portable Playyard Mattress - Soft Waterproof Washable & Removable Cover Breathable Mattress Topper
Mattress Comfort LevelFirmSerta Sparkling Sky 4" Mini/Portable Dual Sided Crib & Toddler Mattress, GREENGUARD Gold CertifiedFirmDream on Me, 2-In-1 Breathable Foam Two-Sided 3" Mini/Portable Crib MattressFirmHolly 3 inch Fiber Portable/Mini Crib MattressFirmSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyFirmDream On Me Sunset 3” Extra Firm Mini Crib Mattress | Greenguard Gold Certified | Waterproof Vinyl Cover | Fits Mini and Portable CribsFirmPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsFirmGanondorf 38"X26" Trifold Pack and Play Mattress Mini Pack N Play Mattress Dual-Sided Memory Foam, Waterproof, Breathable, Anti-Slip, Portable Mattress PadFirmSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USAfirm and softSleepah Pack and Play Mattress Foam Pad 38 x 26 x 1 for Playpen, Portable Playyard Mattress - Soft Waterproof Washable & Removable Cover Breathable Mattress Topper
FeaturesWaterproofSerta Sparkling Sky 4" Mini/Portable Dual Sided Crib & Toddler Mattress, GREENGUARD Gold CertifiedWater-ResistantDream on Me, 2-In-1 Breathable Foam Two-Sided 3" Mini/Portable Crib MattressWaterproofHolly 3 inch Fiber Portable/Mini Crib MattressWaterproofSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyWater-ResistantDream On Me Sunset 3” Extra Firm Mini Crib Mattress | Greenguard Gold Certified | Waterproof Vinyl Cover | Fits Mini and Portable CribsBreathable ConstructionPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsWaterproofGanondorf 38"X26" Trifold Pack and Play Mattress Mini Pack N Play Mattress Dual-Sided Memory Foam, Waterproof, Breathable, Anti-Slip, Portable Mattress PadWaterproofSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USARemovable CoverSleepah Pack and Play Mattress Foam Pad 38 x 26 x 1 for Playpen, Portable Playyard Mattress - Soft Waterproof Washable & Removable Cover Breathable Mattress Topper
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Customer ratings & reviews

4.5 out of 5 stars
stars139 ratings62 reviews
How item rating is calculated

Reviews summary

Pros
  • : Made with sturdy materials that fit snugly in mini cribs.
  • : Provides a comfortable sleeping area for the baby.
  • : Allows for easy sheet changes and comfortable rest.
  • : Offers good quality at a lower cost.
  • : Offers optimal firmness for a comfortable sleeping surface.
Neutral
  • : Can be plush and comfortable, but also inconsistent in softness.
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Showing 1-3 of 62 reviews

Jan 13, 2026
Sheena
Item details
Size: Portable Crib
5 out of 5 stars review

Verified Purchase

Very nice

Very nice and soft but firm. My babies sleep great and they don't wake up all sweaty. It wipes clean but I also put a puppy pad under their sheet to help keep it clean.

Helpful?57HEV56WT27N297189844
Nov 30, 2024
Elisa
Item details
Size: Portable Crib
5 out of 5 stars review

Verified Purchase

really comfortable!

it fit perfectly in our pack n play! best sleep my baby has had! very happy with the quality and comfort.

Helpful?57HEV56WT27N297189844
Sep 12, 2025
WalmartCustomer
Item details
Size: 3"
5 out of 5 stars review

Verified Purchase

Great product and is exactly what I was looking for and needed.

Incentivized Review
Helpful?57HEV56WT27N297189844