With over 25 years of experience, as creator; eWonderWorld set the standards for foam mats. Unlike many competitors mats that are made in China, our mats are made in Taiwan undergoing & passing all tests for safety. A set of four 24'' x 24'' mats are ideal for cushioning any hard surface area. Mats are multi-purpose and can be used children play area, personal gym, exercise mats, floor protection and much more. Includes 4 mats for a total of 16 square feet.