Vileda Microfiber Dust Cloth Electrostatic Dust Cloth - does not cause dust to rise into the air! Durable and very efficient: 40% better dust removal effect than traditional cloth Max Size: 30 cm x 40 cm Composition: 100% polyester microfiber - knitted fabric 1 pc in the package Instructions for use and washing: use dry to wipe off dust and greasy stains wash with similar colors, at low temperatures (40 degrees) do not use bleach