User manual: The ink is waterproof and weatherproof. After drying, the paint does not fade, mix or lubricate during washing or dry cleaning. The paint should dry for at least 24 hours. Warning: 1) The product is intended for use on canvas, cotton, linen, etc. We do not recommend using it on synthetic materials (nylon, etc.). 2) Due to the different structures and thicknesses of the materials, apply a suitable number of layers of paint until you reach the appropriate saturation. 3) We recommend not using chemical cleaners. We recommend washing in clean water with soap. 4) When washing in the washing machine, we recommend to flip the garment inside out.