Perfect Sleeper Calm Days Crib and Toddler Mattress



Perfect Sleeper Calm Days Crib and Toddler Mattress

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  • SUPER-SUPPORTIVE CORE: 120 heavy duty innerspring coils and full perimeter board create stabilized edges and long-lasting, balanced support
  • SUPERIOR FIRMNESS: Convoluted foam layers ensure firm sleeping surface for enduring firmness and comfort | Orth-insulated wrap ensures exceptional, durable firmness and support from infancy to toddlerhood
  • TWO-SIDED DESIGN: Ideal firmness babies need on infant side | An extra layer of soy enhanced foam for added comfort on toddler side
  • WATERPROOF COVER: A waterproof, laminated cover blocks wetness and moisture | Keeps baby dry and comfy | Keeps mattress in top condition and enables easier cleanup
  • 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: 50 year limited warranty
  • SIZE: Dimensions (in inches): 27.5 (width) by < 6 (height) by 52 (length)
  • Product Weight (in pounds): 15
  • Shipping Dimensions (in inches): 28 (width) by 7 (height) by 53 (length)
  • Shipping Weight (in pounds): 19
SKU: A43325-1111-NO
UPC: 761139037830

Serta’s Perfect Sleeper Calm Days Crib and Toddler Mattress will cradle baby in comfort each and every night. The advanced sleep system starts with superior support at the core, featuring 120 heavy duty innerspring coils that ensure strong and balanced support from infancy to toddlerhood. The firm sleep surface is outfitted with foam layers and an ortho-insulated wrap that create long-lasting, exceptional firmness and support. The innovative, 2 sided design caters to baby’s growth, delivering the right amount of firmness babies require on the infant side with a layer of soy enhanced foam for additional, plush comfort on the toddler side. A waterproof laminated cover finishes the smart construction, blocking wetness and moisture to keep baby dry and comfy, wiping effortlessly clean for easy, fuss-free maintenance.

Designed by the same brand that's been leading the way in mattress innovation and technology for more than 80 years, this Serta Perfect Sleeper baby mattress delivers the same quality craftsmanship as their adult mattresses at an exceptional value.


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The safest size of baby cribs and crib mattresses is determined by the federal government. The Consumer Products Safety Commission (CPSC) requires all full-size baby crib mattresses to be at least 27 and ¼ inches in width by 51 and ¼ inches in length, with a maximum thickness of six inches. But for cribs, the standard size isn’t as simple.

The CPSC requires that full-size baby cribs have a standard width of 28 inches and a standard height of 52 and ⅜ inches, but with a “pull or minus factor” of ⅝ inches. Because of this variation, it’s important to look for the recommended mattress size listed on the crib’s box and/or assembly instructions.

All Delta Children, Serta and Beautyrest crib mattresses are compatible with all Delta Children cribs, making it easier to buy the products that are safe for your little one’s nursery.

Crib mattresses should fit very snug or moderately snug in the crib. No more than two fingers of space should exist between the side of the mattress and the crib frame. A mattress that is too small for the crib could be a suffocation and entrapment hazard.
The firmer, the better when it comes to crib mattresses. Soft surfaces can pose a suffocation hazard and increase your baby’s risk of Sudden Infant Death Syndrome (SIDS). You can test a how firm a mattress is by pressing on its center and edges. When you release pressure, it should snap back immediately.

Why You Can Trust Delta Children