Ottomanson Multi-Purpose Blue 24 in. x 24 in. EVA Foam Interlocking Anti-Fatigue Exercise Tile Mat (6-Pack)Anti fatigue EVA foam mats are shock absorbing and are perfect for gyms, exercise rooms, play areas, schools, nurseries, trade shows, and day cares and anywhere you need a soft cushioned floor High density EVA foam used to make these tiles provides excellent support and cushioning, and is made from premium quality EVA FOAM with no toxic phthalates Diamond plate textured pattern made in China Tiles are water resistant, non skid and non slip, light