Note: 1 Dye pod can dye up to 600g of fabric, any more than this and the colour will be effected. Pre dye should also be used before the dye pod depending on the existing colour of the fabric. This colour is also available in Hand Dye. Use with Pre-Dye if you want to change from one strong colour to another or if you want to achieve a lighter colour. Item does not have expiry date, rather date mentioned on the product is manufacturer date. This fabric dye pod is completely safe for your washing machine and 1 pod can dye up to 600g of fabric for the full shade effect, Suitable for: cotton, linen & viscose. Mixes with synthetics will dye to lighter shades (pure synthetics will not dye). The all-in-1 formula can revive or change the colour of your clothes and soft furnishings with ease, providing perfect, long-lasting and intense colours. DYLON Fabric Dyes are the easy way to add colour to your home and wardrobe. From all colours bright and beautiful to rich and intense shades. The information below applies to each unit in the pack.