You will receive 12 pieces of Thickened Plush foam puzzle Floor Mat and 16 pieces edgings, you can increase or decrease the number of Interlocking Floor Mat as you like to meet your different needs. No Linting: knitting process, Shu cotton velvet and base combined firmly. Perfect for families with children or pets. (A little floating hair on the edge is caused by machine cutting) SIZE: Each piece of square Interlocking carpet tiles is 11.8 x 11.8 inches in length, and the insets measure 11.8x0.78 inches. MATERIAL: Our interlocking foam tiles is made of high-density EVA foam, the surface is covered with a layer of thickened soothing cotton through the knitting process. EASY TO CLEAN: You can use brush to brush, water rinse, vacuum cleaner or washing machine to clean the carpet squares. Wash at will, don't worry about the surface pile falling off, the knitting process makes them strong enough.