... 1.Permanent flame-retardant, 2.Easy cleaning, 3.Waterproof,oil-repellent 4.100%COTTON 12oz Teflon flame-retardant material is ... fabrics can form molecules in the fiber surface , preventing water, oil and dirt infiltrating, forming the good waterproof, preventing pollution, ... and the effect of Teflon arrangement of fabric has good resistance to water and the fastness to dry ...