FAQ: What Size Bedding Do I Need for a Toddler Nap Mat?
By Kids Warehouse | Published: 2026-10-23
Category: How-to Guides
Get clear answers about nap mat sizes, compatible crib sheets, and bassinet sheets for toddler rest time at daycare or home.
Quick Answer
Most toddler nap mats are about 20 by 48 inches, but always check the product dimensions. A standard crib sheet (28 by 52 inches) is usually too large and loose, while a bassinet sheet (16 by 32 inches) is often too short. The safest fit comes from using the sheet made for your specific nap mat or a properly sized toddler sleeping bag.
Why Nap Mat Sizes Vary
Unlike crib mattresses, nap mats are not standardized. Brands design mats in different lengths and widths to accommodate toddlers from 18 months to 4 years. Some mats are thin foam pads, others are quilted with built-in pillows. Always measure your mat before buying sheets.
Frequently Asked Questions
- What are the typical dimensions of a toddler nap mat?
- Most nap mats range from 18 to 24 inches wide and 42 to 52 inches long. Common sizes are 20"x48" and 22"x50". Always measure your mat (including the pillow if attached) before buying sheets.
- Can I use a standard crib sheet on a toddler nap mat?
- A standard crib sheet (28"x52") is usually too wide and long for a typical nap mat. It will leave excess fabric that can bunch up, which is uncomfortable and a suffocation hazard. Only use a crib sheet if your mat is nearly crib-sized. If you must use a crib sheet, fold the excess fabric under the mat and ensure it's taut.
- Will a bassinet sheet fit a toddler nap mat?
- Bassinet sheets (around 16"x32") are often too short for full-length nap mats, but they may fit shorter toddler mats. The shallow pocket depth (typically 4") may not grip thicker foam mats. Check your mat's length and thickness before purchasing. For a short, thin mat, a bassinet sheet can work; for longer mats, look for a dedicated nap mat sheet.
- Do I need a separate sheet for a nap mat with a built-in pillow?
- Nap mats with attached pillows usually do not require a separate pillowcase. The pillow is sewn into the mat or covered by the mat's outer fabric. You can spot-clean the pillow area or wash the entire mat if the care label allows.
- What if my nap mat doesn't fit any standard sheet?
- If your nap mat has unusual dimensions, consider using a flat crib sheet (not fitted) and tucking it tightly, or buy a toddler sleeping bag that is designed to fit a range of mat sizes. Some parents also use a large muslin blanket as a cover. Measure your mat first, then look for a sheet with dimensions within 2 inches of your mat's width and length.
Product Facts
- Everyday Kids Toddler Nap Mat with Pillow -Choo Choo Train: Everyday Kids Toddler Nap Mat with Pillow -Choo Choo Train features a train scene and a built-in pillow. This nap mat includes its own attached pillow, so you don't need a separate pillowcase. The mat's dimensions determine what sheet (if any) will fit snugly.

Everyday Kids Toddler Nap Mat with Pillow -Choo Choo Train - Everyday Kids 2 Pack Fitted Girls Crib Sheet - Mermaid/Aqua: Everyday Kids 2 Pack Fitted Girls Crib Sheet - Mermaid/Aqua fits standard crib mattresses (28" x 52"). Because crib sheets are larger than most nap mats, they may bunch up or come loose during sleep, creating a safety risk. They work best only if your nap mat is close to crib size.

Everyday Kids 2 Pack Fitted Girls Crib Sheet - Mermaid/Aqua - EVERYDAY KIDS 2-Pack Cotton Jersey Knit Bassinet Sheets - Precious Moments Boys: EVERYDAY KIDS 2-Pack Cotton Jersey Knit Bassinet Sheets - Precious Moments Boys measure 16" by 32" with a 4" deep pocket. Bassinet sheets are smaller and may fit shorter nap mats, but the 4" pocket depth might not grip a thin mat pad securely. Check your mat's thickness before buying.


