Made from knitted microfibre textile. Perfect for dust and debris pick up. Launderable SYR Microfibre Cloths can be washed by hand or machine once soiled, reviving their effectiveness and prolonging their usage. If properly cared for, your microfibre cloth should last over 100 washes. Colour Coded Colour coded in the 4 hygiene colours, helping to protect against cross-contamination between areas. Fibre can be described as microfibre when it weighs less than 1 gram per 10km of length. For most microfibres, this equates to a diameter of less than 0.12 denier. To give you an idea, this is 100 times thinner than a human hair. Microfibre is made from a mixture of polyester and polyamide bi-component fibre. It is split into many micro-segments by special physical & chemical treatments.