KinderMat Products since 1951! KinderMats are known for their quality, durability, and value. They are easy to clean using warm water and soap allowing for quick cleanup after playtime and learning. We are also known for our Tri-Fold Technology that keeps the floor side of the mat away from the resting side. Item dimensions – Red/Blue 45 inches x 19 inches x 1 inch thick – 4 section folding nap mat that fits in school room storage cubies. The KinderMat rest mat brand has been on back-to-school lists for over 71 years! 100% . Made with CertiPUR-US foam which is made without any ozone reduction, without Tris flame retardants, without heavy metals, without other harmful chemicals and are low emissions for improved air quality. All the CertiPUR-US foam standards are validated by independent, accredited 3rd party labs.