Piece these foam tiles together with your little one for an interactive and engaging way to learn geography! The finished product will encourage them to build and play at the same time. Around the World Interlocking Floor Tiles contains 22 pieces, including 9 tiles measuring 11.4 x 11.4 inches and 13 finishing edges for a total assembled size of 34.2-in by 34.2-in by .4-in when assembled. This product measures 34.2-in by 34.2-in by .4-in when assembled. World map foam tiles; Non-toxic EVA foam mats; Water and liquid resistant, use a cloth and mild soap to clean; Contains 22 pieces, including 9 tiles measuring 12 x 12 inches and 13 finishing edges; Covers about 8.1 square feet when assembled; Interlocking foam tiles can be easily cut with a straight edge or scissors to fit around difficult corners or oddly shaped space; Use a rubber mat underneath the foam tiles to achieve non-slip application; We do not recommend placing heavy objects on top of the mats as they are likely to leave a permanent indentation