Please note: the pictures may vary slightly from the actual item. Easy to use - Put a cap in the washing drum, put laundry on it and start the washing cycle. For textiles made of wool or silk, use the perwool wool and fine liquid detergent. Sustainably packaged - The packaging is made from 50% recycled plastic and is 100% recyclable**, the case is 100% water soluble and fully biodegradable. ***. Good for the environment - The pre-dosed detergent for dark laundry contains 85% less water and is 3x more productive than liquid detergent. *. All-in-1 care complex - Thanks to the three-chamber formula, the Perwool detergent invigorates the colour of the clothes, smooths fibres and envelops the laundry in a fine fragrance. Perwoll Renew Caps - The caps not only gently provide purity during laundry washing, but also provide the clothes with the unique perwool care.