... your flooring.-Middle layer, balance layer guarantee your high quality tile with stable size. Characteristics:1,Free of formaldehyde,environment protective ... institutions, school, officesand place of amusement and commerce places. SpecificationsPVC tile 1) Size: 18"*18" 18''*36'' 24''*24'' 36''*36 ... .3mm, 0.5mm, 0.7mm Anti-slip vinyl floor pvc tile