The cleaning brush is 1.microfiber product, 2.very convenient for changing the head. 3.SPEC:6*21CM 4.MEAS:25*15*30CM The cleaning brushA, Mini appearance is very convenient for changing the head.B, The material, color, weight can be customized on your actual needs. C, MOQ: 5000 pcs. SPEC 6*21CM MEAS 25*15*30CM Material cotton,PA,PET+PA,Microfiber Cleaning Brush