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Zip-n-Grow Play Yard Mattress Topper

Made in USA Built to Last

FREE ShippingFREE Travel Bag

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Color: Blue | Chocolate bottom
Why do fish live in salt water? Because pepper makes them sneeze!


  • Versatile mat: multipurpose and in three luxurious colors! You can take it everywhere as it doesn´t look like a mattress
  • It grows with your child: 0 - 8 years old. 3  products in 1:  newborns, play yard, and nap mat on the floor for big kids.
  • Accommodates two children: a toddler can use the three panel section and a baby the one single section.
  • Top quality high resilience foam: it will not suffer indentations or lose its shape.
  • Two products for the price of one:  our Smart Play Yard Mattress Topper & our Big Kid Sleep Mat. 


  • Folds easily for travel and storage. Includes FREE bag and carrying handle
  • Washes by simply unzipping the durable and soft cotton cover
  • Safe for baby & home, free of all toxic chemicals & flame retardants, exceeds all US safety standards
  • Made in USA. Patented Design

10+ Go-n-Grow Uses

   1 panel - newborn:

  • Unzip removable panel. For firm nap surface, changing pad, tummy time, after bath

   3 panel - play yard:

  • Transforms your play yard into a cozy crib. On top of the play yard mattress (in bottom or in bassinet). Also for changing diapers, playing, or even as a toddler bench when folded and more
  • Fits perfectly in all standard play yards. Graco, Chicco, Nuna Sena, Boppy, Eddie Bauer, Evenflo, Baby Trend, Safety 1st, Arms Reach Original, Aprica, Cosco, Combi, Boppy, Nature's Purest Comfort, Bright Starts and more

   4 panel - nap mat:

  • Zip on removable panel. Nap mat, travel bed, play mat, TV floor pad, on a kid-size Travel Cot.  The most comfortable nap mat on the market. Strong connectors keep the panels from separating

On the go

  • Confidently take it everywhere, it doesn´t look like a mattress!
  • Fold it up and pack it with blankets and all in the included Travel Bag
  • Perfect for daycare, hotels, grandparents’ and babysitters' house, camping, sleep-overs, parks and more.


  • 1 panel - newborn:  12.5 x 26 x 1.5 inches
  • 3 panel - play yard:  37.5 x 26 x 1.5 inches (open position)
  • 4 panel - nap mat:  50 x 26 x 1.5 inches (open position)

Our Cause: Mental Health

When you buy MamaDoo Kids products you are helping NAMI do the very important work it does for families.

NAMI, the National Alliance on Mental Illness, is the largest grassroots organization that educates, supports, and advocates for families with a child or an adult family member living with a mental illness like depression, including post-partum depression, anxiety disorder, bipolar disorder, schizophrenia, ADHD, OCD, etc.

NAMI offers many programs, all for free, like NAMI Basics: a 6 session program for parents of children and adolescents with emotional and behavioral difficulties or a mental illness. With NAMI there's hope!





Our MamaDoo® Kids Zip-n-Grow Play Yard Mattress Topper

This is our most versatile product to date and does exactly what its name implies... it goes and grows with your child.  It combines so many of the great features of our patented, innovative Smart Play Yard Mattress Topper and Big Kid Sleep Mat... and with the zippered-removable 4th panel it also adds a new feature of providing a sleeping surface, or convenient changing pad for newborns.

With its sturdy construction, strong zippers, high quality non-toxic fabric and high density foam, it will truly last the entire 8 years, and of course we still proudly manufacture it in sunny California, USA.

And like all our other mats it folds in such a way that the colorful side of the Mattress faced outwards when in the folded position.  So not only is it versatile and functional but it looks pretty.

We are really excited about our Zip-n-Grow Play Yard Mattress Topper and believe it will provide you and you child with years of comfort, safety and sleep!