These are friendly bugs - and they don"t bite! Â Using soft, playful foam, Tadpoles Friendly Bugs Playmat Set provides a fun, safe environment for your little one. Made of large, interlocking foam pieces with removable center pieces, the mats create a soft base for your child, and add a great look to any room. Includes 16 foam frame pieces, interlocking shaped center pieces, and 16 border pieces. Covers 16 square feet. Easy care and cleaning. Use multiple sets to cover larger areas.