With our mats being thicker than most our border pieces are specially designed sloped borders that go from the height of the mat to the ground to help prevent tripping when entering and exiting the play mat. interlocking mats are perfect for creating animal themed nursery and playrooms. Manufacturered by OWWHY. Safe soft and durable. foam material matches the environment although thick no pollutants Fun children's flooring make hardwood floors tile and concrete basements into soft playrooms. Create safe cushioned floors for crawling babies and toddlers learning to walk.