■ Type: Fastening agent ■ Suitable Materials: Cotton, hemp, rayon ■ Suitable dyes: Best color Rit dye · Wet dye kit series and general direct dyes ■ Fabric weight can be dyed per piece: 4.2 oz (125 g) for 1 T-shirt ※ There may be slight color variation after use the best color, Rit dye, wet dye kit series and general direct dyes can be cotton, linen, rayon. Fixing agent . Prevents fading and fading. Use to increase the durability of washing (color fastness). The corresponding fabric volume is about 125g per t-shirt. Polyester and acrylic will not be stained.