World map foam tiles perfect for dorm rooms, bedside accents, playrooms or nurseries. Non-toxic EVA foam mats Water and liquid resistant, use a cloth and mild soap to clean Contains 22 pieces, including 9 tiles measuring 11.4 x 11.4 inches and 13 finishing edges Measures 34. 2-in by 34. 2-in by . 4-in when assembled 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