Using soft, EVA foam, Tadpoles Grass Print Floor Mats provide a fun, cushioned surface for your little one. Made of 12"x12" interlocking foam pieces, the mats create a soft base for creative play, insulate your child from cold floors, and add a great contemporary look to any room. Set includes 9 grass print, 10mm thick, EVA foam tiles and 12 border pieces. Covers 9 square feet. Use multiple sets to cover larger areas, and create your own unique look. Easy to wipe clean with soap and water, and pack away when not in use.