How to Store a Play Mat When Not in Use

Maybe your family is moving, your living room is hosting a holiday gathering, or your kids have outgrown the daily play mat stage but you want to save it for a future sibling. Whatever the reason, storing a memory foam play mat incorrectly can cause permanent damage — creases, mold, foam compression, and odor that no amount of cleaning will fix.

We have seen mats ruined by well-intentioned parents who simply folded them in half and tucked them in a closet. This guide ensures that does not happen to yours.

The Number One Rule: Roll, Never Fold

This is the single most important storage principle for any memory foam product. Folding creates a sharp crease that compresses the foam's cell structure beyond its recovery point. After a few weeks folded, the crease becomes permanent — the mat will never lay flat again.

Rolling distributes the bending stress evenly across the mat's length, preventing any single point from being over-compressed.

How to Roll a Play Mat Correctly

1. Clean the mat first. Never store a dirty mat. Complete at least the weekly cleaning routine from our play mat care guide before storage.
2. Let it dry completely. Any trapped moisture will cause mold during storage. Allow at least 2 hours of air drying after cleaning — more in humid conditions.
3. Lay the mat flat, surface side up.
4. Start at one short end. Begin rolling from one of the narrower edges.
5. Roll loosely. The roll should be relaxed, not tight. A tight roll compresses the foam unnecessarily. The finished roll should have a diameter of about 8 to 12 inches for a standard-sized mat.
6. Secure with fabric straps or velcro ties. Do not use rubber bands (they deteriorate and can stain) or tight cord (which creates compression lines). Fabric straps or wide velcro bands distribute pressure evenly.

Before You Store: The Preparation Checklist

Skipping preparation is the most common cause of storage damage. Run through this checklist every time.

Step-by-Step Preparation

1. Vacuum the entire surface with an upholstery attachment.
2. Spot-clean any stains. Even faint stains can set permanently during storage. Address them now.
3. Disinfect with a vinegar spray. Mix equal parts white vinegar and water, mist the entire surface, wait 10 minutes, and wipe dry. This prevents bacteria and mold growth during storage.
4. Deodorize with baking soda. Sprinkle baking soda over the surface, wait 30 minutes, then vacuum. This removes any residual odors that would intensify in an enclosed storage space.
5. Inspect the bottom. Clean the non-slip base surface with a damp cloth.
6. Allow complete drying. Minimum 2 hours in a ventilated room. If in doubt, wait longer.

The CDC's guidance on preventing mold emphasizes that moisture is the primary driver of mold growth on household items. Storing a mat that is even slightly damp creates an ideal mold environment.

Choosing the Right Storage Location

Where you store the mat matters almost as much as how you roll it.

Ideal Storage Conditions

• Temperature: Between 50 and 80 degrees Fahrenheit. Extreme heat softens foam and can cause permanent deformation. Extreme cold makes foam brittle.
• Humidity: Below 60% relative humidity. High humidity promotes mold and mildew.
• Light: Store away from direct sunlight. UV exposure degrades foam and fades surface colors over time.
• Ventilation: Some air circulation is beneficial. Completely sealed environments trap any residual moisture.

Good Storage Locations

• Indoor closet in a climate-controlled room
• Under a bed (if the space is clean and dry)
• Spare room or guest bedroom

Bad Storage Locations

• Garage (temperature extremes, humidity, pests)
• Attic (extreme heat in summer, often poorly ventilated)
• Outdoor shed (temperature and humidity swings, pest exposure)
• Damp basement (moisture and mold risk)

According to the EPA's guidelines on indoor air quality and storage, items stored in high-humidity or temperature-variable environments are significantly more likely to develop mold, off-gassing odors, and material degradation.

Storage Covers and Bags

What to Use

• Breathable fabric storage bag. A cotton or canvas bag allows air circulation while protecting against dust. This is the ideal option.
• Old fitted sheet. Wrap the rolled mat in a clean fitted sheet — it provides dust protection with breathability.

What NOT to Use

• Plastic bags or wrap. Plastic traps any residual moisture inside and creates a sealed environment where mold thrives. Never use garbage bags, shrink wrap, or plastic storage bags.
• Vacuum storage bags. These compress the foam far beyond its recovery threshold. A mat stored in a vacuum bag for more than a few days will likely have permanent compression damage.

How Long Can You Store a Memory Foam Play Mat?

With proper preparation and conditions:

Retrieving Your Mat From Storage

When it is time to use the mat again:

Step-by-Step

1. Unroll the mat in the room where you plan to use it.
2. Lay it flat and let it rest for at least 4 to 8 hours. Memory foam needs time to expand back to its full 1.3-inch thickness after being compressed.
3. Inspect for mold or odor. Sniff the mat and check visually for any dark spots or musty smell.
4. Clean before use. Wipe the entire surface with a damp cloth and mild soap. Follow with a vinegar disinfection spray. Let it dry completely.
5. Check for flat spots. If the mat has been stored for over 6 months, stand on different sections to test foam resilience. It should bounce back evenly within a few seconds.

If the mat has developed a persistent odor during storage, see our guide on eliminating play mat odors for effective deodorizing techniques.

Why Poco Koko Mats Store Well

Poco Koko's 1.3-inch CertiPUR-US memory foam is specifically formulated for resilience — it recovers its shape after compression better than lower-density foams. The OEKO-TEX microsuede cover protects the foam during storage, and the one-piece design means there are no separate components to lose track of.

Browse our collections: Play Rugs | Play Mats | Play Mats for Living Room

For complete care instructions, visit our play mat care guide or explore the ultimate baby play mat guide.

Frequently Asked Questions

Can I store a memory foam play mat standing up on its end?

For short periods (a few days), standing the rolled mat upright is fine. For longer storage, lay the rolled mat on its side to prevent the weight of the foam from compressing the bottom end unevenly over time.

Will the mat smell after being stored for months?

If you properly cleaned and dried the mat before storage and used a breathable cover in a climate-controlled space, there should be minimal odor. A light vinegar wipe and 30-minute baking soda treatment after unrolling will handle any staleness.

Can I store other items on top of a rolled play mat?

No. Do not stack heavy items on top of the rolled mat. Even modest weight creates compression that, over weeks or months, permanently deforms the foam. Store the mat where nothing rests on top of it.

Is it OK to fold the mat "just for a minute" to carry it?

A brief fold to carry the mat from one room to another will not cause damage. The problem is sustained folding over hours, days, or weeks. For transport, roll the mat if possible, or fold it loosely for the shortest time practical and unroll it immediately at the destination.

Should I store the mat with the surface side in or out when rolling?

Roll with the surface (top) side facing outward. This puts the surface in mild tension rather than compression, which is better for maintaining the liquid-repellent coating's integrity.

Written by the Poco Koko Team — parents, product designers, and child safety researchers dedicated to creating safer floors for families.