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Naturepedic

Naturepedic MC46 Organic 2-Stage Crib Mattress

  • 52 x 27.25 x 6 inches, crib size
  • Extra firm, 3 layers, tight top
  • Waterproof core, machine wash and dry cover
  • Organic cotton with food grade PE
  • 14 pounds, 2-stage design

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

An extra firm organic crib mattress with a waterproof core and a removable cover that goes in the washer and dryer. The listing does not state a warranty.

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ASIN: B07NQN9XBTModel: MC46Category: Crib Mattresses

Overview

Supporting an infant now and a toddler later is the idea behind this two-stage Naturepedic mattress, which has three layers and a tight top. The listing names organic cotton and a lightweight food grade polyethylene in the build.

A waterproof core and a cover that is machine washable and dryable make accidents a minor chore. The listing gives no warranty detail, and the firmness is fixed at extra firm.

Who it's for

Families setting up a standard crib who put organic materials and easy cleaning first. Parents wanting a softer sleep surface, or a stated cover period, should look at other mattresses.

Pros and cons

Pros
  • Organic cotton construction
  • Cover washes and dries
Cons
  • Extra firm only
  • Warranty not listed
  • Only the cover is washable

Performance notes

Support comes from the firm layers and the tight top, and the waterproof core stops liquid reaching the fill. The cover comes off for machine washing and drying, and the design is described as breathable.

Specifications

BrandNaturepedic
ModelMC46
Dimensions & fit
SizeCrib
Dimensions52 x 27.25 x 6 inches
Item weight14 pounds
Item Dimensions L X W X Thickness52"L x 27.25"W x 6"Th
Capacity & performance
Age Range DescriptionBaby
Construction & materials
Construction TypeOrganic cotton, lightweight food grade PE
Cover MaterialCotton
Fill MaterialCotton
ColorNatural
Included components
Unit Count1 Count
Other details
Item Firmness DescriptionExtra firm
TopstyleTight top
Number Of Layers3
Product Care InstructionsMachine wash and dry, removable cover
Mattress TypeStandard Mattress
Style NameMinimalist

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Frequently asked questions

Will the Naturepedic crib mattress fit a standard crib?

The listing gives crib size at 52 x 27.25 x 6 inches, so measure your crib interior against those figures.

Can the Naturepedic crib mattress cover be machine washed?

Yes. The listing says machine wash and dry for the removable cover.

What are the two stages of the Naturepedic crib mattress?

The listing names a two-stage design for growing toddlers but does not describe the sides, so check the product page.