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Waterproof Organic Twin Mattress Pad

39 Reviews

With organic cotton surface.

Because accidents happen. Our completely washable & waterproof mattress pad is ideal for potty training and pairs perfectly with our Kids’ Mattress. Featuring a super-soft organic cotton jersey surface, it adds a comfy cushion to any twin mattress.

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Frequently Bought Together

  • Completely Waterproof

    Waterproof lining preserves and protects your mattress from leaks, moisture and mold.

  • Machine Washable

    Allows for quick changes when accidents happen and a cleaner, more hypoallergenic sleep environment for your big kid.

  • 100% Better Sleep

    Better Sleep

    Adds an ultra-soft organic cotton jersey surface and a comfy cushion to any twin mattress.


Your donation will help us provide diapers, safe sleep spaces, and more essential items to children living in poverty through the non-profit organization Baby2Baby.

Ultra-soft top layer adds a comfy cushion to any traditional mattress.

Waterproof fabric lining provides complete protection.

Mitered corners provide stretch to fit tightly and securely around any mattress.

Our mattress pad is independently tested and certified for low chemical emissions, exceeding the highest industry emissions safety standards to help improve indoor air quality.

The Reviews Are In

We're providing peace of mind — for bedtime and beyond.

Megan W.

“The protector is amazing! Not only does it make the mattress more comfy, but it’s breathable, too.”


Alison C.

“When it came time to move him to a twin bed, I didn’t even look at other mattress pads because we love the quality and ease of Newton. It’s a brand we trust.”


Andrea R.

“Very effectively protects my son’s mattress from overnight accidents. And it’s quite cushy as well!”


Monica V.

“It gives me so much peace of mind. We went straight to a twin bed from her crib and wanted the mattress protector to be breathable as well.”


Pamela G.

“Love the mattress pad! It has already proven its usefulness in an overnight accident. It worked beautifully in protecting a new mattress.”


Product Details


  • GOTS Certified organic cotton surface with waterproof lining
  • Pairs perfectly with our Kids’ Twin Mattress, and can fit ANY twin mattress
  • Ideal for potty training
  • Extra batting/cushion for a layer of comfort
  • 39” x 75” with a 12” skirt

Testing & Certification

  • GOTS Certified cotton surface
  • Waterproof Lining is OEKO-TEX certified
  • GREENGUARD Gold Certified - Our mattress pad is independently tested
    and certified for low chemical emissions, exceeding the highest
    industry emissions safety standards to help improve indoor air quality.

Shipping & Delivery

  • Ships FREE* in 1-2 business days
  • Ships via FedEx
  • Transit time: 3-7 days once shipped
  • Free Shipping in the contiguous 48 states
  • Shipping fee to HI & AK calculated at checkout based on zip code
  • Not available to ship to Canada at this time.

Care + Use

  • Machine wash cold on gentle cycle.
  • Tumble dry on low. Do not iron.
  • Only non chlorine bleach when needed. Shrinks to fit.

Returns & Exchanges

Return / Exchange Policy

  • Risk-Free returns
  • 30 days in original packaging

Warranty Policy

  • 2-Year Limited Warranty


Does the pad offer cushion/comfort/padding?

It sure does! In addition to a completely waterproof lining, our mattress pad features an organic cotton surface and a comfy cushion to provide additional padding for your big kid.

Can I use a sheet?

We recommend using a cotton sheet for the most comfortable and breathable sleep for your child.

100-Night Free Trial

Try the Newton Crib Mattress for 100 nights risk-free to decide if it's right for you and your baby. If either of you aren’t happy, simply return at our expense for a full refund.



Top 3 Waterproof Organic Twin Mattress Pad Questions

There are a number of benefits to using a mattress pad for your child. In addition to protecting your mattress when accidents happen (especially during potty training!) a premium mattress pad will help create a more sanitary space, preventing moisture and mold. Lastly, a mattress pad offers the added convenience of a quick change while you throw it in the wash.

Typical mattress pads make a bed more comfortable by adding a layer of padding to the mattress, while mattress protectors shield the mattress from accidents and general wear and tear. With the Newton Waterproof Twin Mattress Pad, you get the best of both worlds: a layer of comfy cushion and the waterproof protection your big kid needs.

When selecting a mattress pad, look for premium materials and a GREENGUARD Gold certification. This means that — like the Newton Waterproof Mattress Pad — the pad is low in chemical emissions and as a result, emits minimal gases. Also very important: look for the convenience of machine washability and a snug fit that allows for easy on and off!