Question 1

What size is a standard crib mattress?

Accepted Answer

A standard crib mattress measures roughly 28 by 52 inches and is no more than 6 inches thick, dimensions set by federal safety standards so it fits snugly in a full-size crib. A properly sized crib mattress should leave no more than about two finger widths of space between the mattress and the crib frame. Mini cribs and portable cribs use smaller mattresses, so it is important to match the mattress to the crib type.

Question 2

How firm should a crib mattress be?

Accepted Answer

A crib mattress should be firm and flat, noticeably firmer than an adult mattress, because a firm surface supports safe sleep for infants. If the mattress conforms to the shape of a baby's head or a hand pressed into it leaves an indentation that lingers, it is too soft. Firmness is the most important safety feature to check, well ahead of extras like fabric or padding.

Question 3

What's the difference between a foam and an innerspring crib mattress?

Accepted Answer

Foam crib mattresses are lighter, which makes sheet changes easier, and they are usually more affordable. Innerspring crib mattresses use steel coils for support, tend to be heavier and more durable, and often hold their shape longer through the toddler years. Both types can meet safety standards, so the decision usually comes down to weight, budget, and how long the mattress needs to last.

Question 4

What is a dual-sided crib mattress?

Accepted Answer

A dual-sided or two-stage crib mattress has a firmer side for infants and a slightly softer side for toddlers. Parents use the firm side during the first year and flip the mattress once the child transitions to a toddler bed, usually after 12 months and only when the child is climbing or sleeping confidently. This design lets one crib mattress serve a child from birth through the toddler years.

Question 5

How do I choose a crib mattress?

Accepted Answer

Look for a firm, correctly sized crib mattress that meets current federal safety standards, then consider a waterproof or wipeable cover, since accidents are frequent. Certifications such as GREENGUARD Gold indicate low chemical emissions, which many parents prefer for the nursery. Mattress Warehouse carries crib mattresses from established brands, and a quick check of firmness and fit in the crib is the best final test.

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What size is a standard crib mattress?

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What size is a standard crib mattress?

How firm should a crib mattress be?

What's the difference between a foam and an innerspring crib mattress?

What is a dual-sided crib mattress?

How do I choose a crib mattress?