Baby mattress for a stroller. A mattress is a necessary thing for a baby, as sometimes a mattress is needed in a stroller, especially in the cooler seasons. The mattress will add comfort to your child. The shape of the mattress is anatomical and very comfortable for the child. The mattress is made of high quality, environmentally friendly materials. The mattress is made in bright colors and has a beautiful cartoon character pattern.It is very easy to care for: hand wash in soap and water, or machine wash on a gentle mode at 30°, be sure to rinse the detergent well, dry flat (do not hang!)