The Mighty Black Fabric Sheets from Swirl are quick and easy to use - just pop one in your washing machine before you do your next load! The sheets help to revive dark colours and black, helping to reduce faded tones and leave your clothes looking brand new. Use these handy sheets to quickly revive black and dark colours. Breathe new life into your dark wardrobe with Swirl's Mighty Black Fabric Sheets. Simply pop a sheet into your washing machine with your next load to help restore depth and vibrancy to black and dark-coloured garments. These easy-to-use sheets combat fading, leaving your clothes looking refreshed and revitalised.