The easiest way to choose a playpen mat is to measure the playpen first and shop second. Mat sizes are stated as length by width, and so are the inside dimensions of an enclosure, so two numbers tell you most of what you need. This guide shows how to measure, how to compare, and what to check before you add anything to an enclosure.
GRHomera is a floor-play mat. We do not claim that it fits every enclosure, and nothing here is a fit or compatibility guarantee. Your enclosure's instructions come first.
Step 1: Read the enclosure's instructions
Start with the manufacturer's guidance for your playpen. It should say what may be placed on the floor of the enclosure and what may not. A floor-level enclosure made of panels stands on the room floor. A play yard has its own floor and a supplied mattress or pad. They are not interchangeable, so identify which one you have.
Do not use this mat as a mattress in a crib, bassinet or play yard, or as extra sleep padding. It is not a sleep surface.
Step 2: Measure the inside dimensions
- Measure the inside length at floor level, from one inner side to the other.
- Measure the inside width in the other direction.
- Check the corners, hinges and any feet that project inward, and note how much space they take.
- Measure twice and write the numbers as length × width in inches.
Use the inside measurements, not the advertised outside dimensions. Outside figures can include frame parts that reduce the usable floor.
Step 3: Compare with the mat sizes
| Mat size (length × width) | In centimeters | In feet |
|---|---|---|
| 50 × 50 in | 127 × 127 cm | about 4.2 × 4.2 ft |
| 79 × 59 in | about 201 × 150 cm | about 6.6 × 4.9 ft |
| 118 × 79 in | about 300 × 201 cm | about 9.8 × 6.6 ft |
Many parents use the 50" x 50" or 79" x 59" size inside a playpen. Measure the inside of your playpen first, then pick the size that fits, and follow your playpen manufacturer's instructions. The 118 × 79 in size is our largest and gives the most floor coverage, so compare both of your inside numbers with the mat's length and width. All three sizes are about 1.3 in (3.3 cm) thick in total, so the size changes the floor coverage, not the thickness.
Our playmat size guide lists the three footprints side by side.
Step 4: Do not force a fit
If a mat is larger than the inside floor, choose a smaller size. Do not fold up the edges, stack mats or trim a mat to make it fit. A gap, a raised edge or an altered base can change how the enclosure is used, and a close measurement is not an approval.
Step 5: Check the finished mat once it has expanded
The GRHomera Playmat is compressed for shipping and needs 3-5 days to fully expand after unpacking. Measure it again once it has relaxed, before it goes anywhere near an enclosure, and follow the supplied instructions. Our first-days guide explains what to expect.
Surface, backing and care
The mat has a coral fleece surface, memory foam cushioning and non-slip backing. Check how it sits on your own floor, whether that is under a floor-level enclosure or beside one. The cover is not removable, so follow the care label; the care guide lists what to check.
The mat comes in Beige and Dark Grey in every size.
A short checklist
- Read the enclosure maker's instructions about what may be placed on its floor.
- Measure the inside length and width at floor level.
- Compare both numbers with 50 × 50 in, 79 × 59 in and 118 × 79 in.
- Choose the smaller size if you are between two.
- Let the mat fully expand, then check the fit again.
A play mat is for awake and supervised play. Our playpen fit guide goes through the same questions in more detail, and the tape-outline method helps with the room around the enclosure.
Quick answers
What size mat should I choose for a playpen?
Measure the inside length and width at floor level, then compare both with 50 × 50 in, 79 × 59 in and 118 × 79 in. Many parents use the 50" x 50" or 79" x 59" size inside a playpen. Pick the size that fits, and follow your playpen manufacturer's instructions. No fit is guaranteed.
Can I trim or fold a mat to fit a playpen?
No. Choose a smaller size instead. Folding up edges, stacking mats or trimming a mat can alter how the enclosure works, and a close measurement is not an approval. If you are unsure, check the enclosure instructions or contact GRHomera with your inside measurements.
See sizes and colors on the GRHomera Playmat product page, or browse our baby play mats.