Serta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year Warranty

4.5 stars out of 687 reviews
(4.5)|
687 ratings

Key item features

  • WATERPROOF: Durable, laminated vinyl cover is waterproof and easy to clean
  • PERFECT FIT: Lightweight for easy changing
  • Square corners help for secure fit inside standard size cribs or toddler beds
  • SAFETY CERTIFICATIONS: GREENGUARD Gold Certified: recognizes products with low chemical emissions, contributing to healthier environments
  • Meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants
  • WARRANTY: 5 year limited warranty
  • SIZE: 27.5"W x 52"L x 5”H
  • WATERPROOF: Durable, laminated vinyl cover is waterproof and easy to clean
  • PERFECT FIT: Lightweight for easy changing
  • Square corners help for secure fit inside standard size cribs or toddler beds
  • SAFETY CERTIFICATIONS: GREENGUARD Gold Certified: recognizes products with low chemical emissions, contributing to healthier environments
  • Meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants
  • WARRANTY: 5 year limited warranty
  • SIZE: 27.5"W x 52"L x 5”H
Current price is $79.99
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Comparison Chart:
Mattress Top TypeTight TopSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyTight TopPremium Foam Crib Mattress, Baby Crib & Toddler Mattress,Knitted Cotton Surface - Soft, Hypoallergenic,Toddler Bed Mattress 52"L x 27.6"W x 5"ThTight TopSealy Serene Duo-Sleek Crib Mattress, 2-Stage Waterproof Foam Baby/Toddler MattressEuro TopSerta SleepTrue Sparkling Sky Breathable Baby Bed Crib Mattress and Toddler Mattress with Removable/Machine Washable Cover - GREENGUARD Gold – Waterproof - Sustainably Sourced Core Fiber Core, BlueTight TopPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsTight TopSealy Baby Ultra Rest 2-Stage Antibacterial Baby Crib Mattress and Toddler Mattress, 204 CoilTight TopSerta Sertapedic Bloom 5" Dual-Sided Crib & Toddler Mattress, Sustainably Sourced Fiber Core, GREENGUARD Gold CertifiedTight TopDelta Children SmartBreathe Machine Washable Crib and Toddler Mattress - Breathable Cloud Core, Machine Washable Cover, GREENGUARD Gold, Waterproof, Sustainably Sourced Fiber Core, Artic Blue/WhiteTight TopSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USAEuro TopSealy Nature's Haven Breathable Organic Cotton Baby Crib and Toddler Mattress
Mattress TypePoly Foam MattressesSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyMemory Foam MattressesPremium Foam Crib Mattress, Baby Crib & Toddler Mattress,Knitted Cotton Surface - Soft, Hypoallergenic,Toddler Bed Mattress 52"L x 27.6"W x 5"ThPoly Foam MattressesSealy Serene Duo-Sleek Crib Mattress, 2-Stage Waterproof Foam Baby/Toddler MattressHybrid MattressesSerta SleepTrue Sparkling Sky Breathable Baby Bed Crib Mattress and Toddler Mattress with Removable/Machine Washable Cover - GREENGUARD Gold – Waterproof - Sustainably Sourced Core Fiber Core, BlueMemory Foam MattressesPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsInnerspring MattressesSealy Baby Ultra Rest 2-Stage Antibacterial Baby Crib Mattress and Toddler Mattress, 204 CoilPoly Foam MattressesSerta Sertapedic Bloom 5" Dual-Sided Crib & Toddler Mattress, Sustainably Sourced Fiber Core, GREENGUARD Gold CertifiedHybrid MattressesDelta Children SmartBreathe Machine Washable Crib and Toddler Mattress - Breathable Cloud Core, Machine Washable Cover, GREENGUARD Gold, Waterproof, Sustainably Sourced Fiber Core, Artic Blue/WhitePoly Foam MattressesSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USAInnerspring MattressesSealy Nature's Haven Breathable Organic Cotton Baby Crib and Toddler Mattress
Mattress Comfort LevelFirmSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyFirmPremium Foam Crib Mattress, Baby Crib & Toddler Mattress,Knitted Cotton Surface - Soft, Hypoallergenic,Toddler Bed Mattress 52"L x 27.6"W x 5"ThExtra FirmSealy Serene Duo-Sleek Crib Mattress, 2-Stage Waterproof Foam Baby/Toddler MattressFirmSerta SleepTrue Sparkling Sky Breathable Baby Bed Crib Mattress and Toddler Mattress with Removable/Machine Washable Cover - GREENGUARD Gold – Waterproof - Sustainably Sourced Core Fiber Core, BlueFirmPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsExtra FirmSealy Baby Ultra Rest 2-Stage Antibacterial Baby Crib Mattress and Toddler Mattress, 204 CoilFirmSerta Sertapedic Bloom 5" Dual-Sided Crib & Toddler Mattress, Sustainably Sourced Fiber Core, GREENGUARD Gold CertifiedFirmDelta Children SmartBreathe Machine Washable Crib and Toddler Mattress - Breathable Cloud Core, Machine Washable Cover, GREENGUARD Gold, Waterproof, Sustainably Sourced Fiber Core, Artic Blue/WhiteFirmSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USAExtra FirmSealy Nature's Haven Breathable Organic Cotton Baby Crib and Toddler Mattress
FeaturesWaterproofSerta SleepTrue Sparkling Sky 5" Dual-Sided Crib & Toddler Mattress - Sustainably Sourced Fiber Core - Waterproof - Lightweight - GREENGUARD Gold Certified - 5 Year WarrantyHypoallergenicPremium Foam Crib Mattress, Baby Crib & Toddler Mattress,Knitted Cotton Surface - Soft, Hypoallergenic,Toddler Bed Mattress 52"L x 27.6"W x 5"ThWaterproofSealy Serene Duo-Sleek Crib Mattress, 2-Stage Waterproof Foam Baby/Toddler MattressWaterproofSerta SleepTrue Sparkling Sky Breathable Baby Bed Crib Mattress and Toddler Mattress with Removable/Machine Washable Cover - GREENGUARD Gold – Waterproof - Sustainably Sourced Core Fiber Core, BlueBreathable ConstructionPremium Dual Sided Mini Crib Mattress, 38x24x4 Inch, Firm Support and Comfort Foam, Hypoallergenic, Noiseless and Odorless,Fits Mini and Portable CribsWaterproofSealy Baby Ultra Rest 2-Stage Antibacterial Baby Crib Mattress and Toddler Mattress, 204 CoilWaterproofSerta Sertapedic Bloom 5" Dual-Sided Crib & Toddler Mattress, Sustainably Sourced Fiber Core, GREENGUARD Gold CertifiedWaterproofDelta Children SmartBreathe Machine Washable Crib and Toddler Mattress - Breathable Cloud Core, Machine Washable Cover, GREENGUARD Gold, Waterproof, Sustainably Sourced Fiber Core, Artic Blue/WhiteWaterproofSerta Perfect Embrace Crib and Toddler Mattress - Breathable Fiber Core - GREENGUARD Gold Certified -7 Year Warranty - Made in USAHypoallergenicSealy Nature's Haven Breathable Organic Cotton Baby Crib and Toddler Mattress
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Customer ratings & reviews

4.5 out of 5 stars
stars687 ratings210 reviews
How item rating is calculated

Reviews summary

Pros
  • : Provides the right amount of firmness for toddlers.
  • : Provides a comfortable sleeping environment.
  • : Offers good quality at lower cost.
  • : Made with materials that are long-lasting and sturdy.
  • : Offers a balanced blend of firmness and cushioning.
Cons
  • : May tear or rip due to thin material.
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Showing 1-3 of 210 reviews

Dec 21, 2025
Walmart customer
Top Reviewer
Item details
Color: Gray
5 out of 5 stars review

Verified Purchase

Good low cost choice

True standard size which fit snugly in our two different cribs from two manufacturers. It's a lighter weight than our other crazy expensive “breathable” crib mattress, but I think it will hold up fine. That said, our grandkids are on the small side and don't tend to be rowdy jumpers—unless the newest 3 babies break the pattern! I'll try to update this review as this mattress gets more use.

Helpful?0TAP9NDWBCFH801780301
Sep 13, 2025
Sandra
Top Reviewer
Item details
Color: Gray
5 out of 5 stars review

Verified Purchase

Great but don't forget to tap free Angi assembly.

Please don't forget to tap the free Angi assembly. I did and couldn't get it after the purchase. I noticed it 1 min after order and was too late. Even after talking to both Walmart and Angi rep. So I had to pay some one to assemble it. Looks great, sturdy granddaughter loves it for her newborn on the way.

Helpful?0TAP9NDWBCFH801780301
Oct 8, 2025
jeremiah
Top Reviewer
Item details
Color: Gray
5 out of 5 stars review

Verified Purchase

Baby shark snore, snore snores

Product is simply amazing. It was so easy to assemble and our son absolutely adores it to anybody transitioning from getting their kid to sit in their big boy bed and stay in it. Here's your item.

Helpful?0TAP9NDWBCFH801780301

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