Are synthetic rugs safe for babies to crawl on?

What's actually in it

Synthetic rugs made from polypropylene, nylon, or polyester are petroleum-based plastics. They shed microplastic fibers into the air and onto the floor surface. Many also contain chemical additives for color stability, stain resistance, and flame retardancy. The backing of synthetic rugs often uses synthetic latex or PVC, both of which off-gas VOCs and plasticizers.

Babies who crawl directly touch the rug surface with hands and knees, then put hands in their mouths. This creates a direct ingestion pathway for whatever chemicals and fibers are on the rug surface.

What the research says

A 2026 study on synthetic fiber microplastics confirmed that polyester and nylon rugs shed significant microplastic fiber loads into household dust, which settles on floor surfaces where crawling infants are exposed through skin contact and hand-to-mouth behavior. Researchers found that infants in homes with synthetic carpeting had higher microplastic exposure than those in homes with hard floors or natural fiber rugs.

For play areas where babies crawl, use a natural wool, cotton, or jute rug without synthetic backing. If a synthetic rug is already in place, put a natural fiber blanket or mat on top of it for baby play time to create a chemical barrier between the baby and the synthetic rug surface.