Tulip Permanent Fabric Dye 1.75 Ounces/Pkg-Black.DUNCAN-Tulip Permanent Fabric Dye. This fabric dye was specifically formulate to work with natural fabrics and poly/cotton blends (rayon; cotton; ramie; wool; silk; linen and polyester/cotton blend. Each 1.75oz/50g packet contains one color of dye powder for 1/2 pound of fabric. One color dying or re-dying packets. Permanent and fade resistant. Packet contains al instructions for use. Contents conform to ASTM D4236. Imported.