They are small biodegradable strips of ecological detergent, which are simply placed in the washing machine. Each washing strip has ultra-concentrated and hypoallergenic cleaning power, leaving your clothes clean, soft and smelling good without the need to use fabric softener. 40 washes Its low foam washing formula finds and dissolves stains, both for white and colored clothes. It works in hot or cold water and in all types of washers, including high efficiency (HE). 100% plastic free. Biodegradable. Suitable both for hand washing and for any type of washing machine. No need to use fabric softener. It dissolves and is effective in both hot and cold water. Both in hard or soft water. Soft and suitable for all types of fabrics, following the manufacturer's instructions for wool and silk. Our goal is to put your family first. So our strips are suitable for the most sensitive skin. Vegan and cruelty free. Hypoallergenic. Free of phosphates, parabens, dioxane and added dyes. With Natulim you can wash clothes in a more ecological way without giving up cleaning power. We have not made any cuts with the Natulim strip detergent. Each Natulim liquid-free detergent strip has the same power as any leading brand liquid or powder detergent. Experience cleaning power that: Removes the toughest stains. Keeps colors vibrant. Restores radiant whites. 94% Less Transport Pollution More than 80% of liquid detergents is water. There is no reason to justify having to send water up and down. A box of Natulim weighs less than 100g. This reduces transport fuel consumption and CO2 emissions by 94%, compared to liquid and powder detergents. On the other hand, our cardboard box is 100% recyclable, and we do not use unnecessary plastic for shipping. Natulim wants to go one step further, for every 10 packages sold, we commit to planting a tree to help preserve our planet. Small actions make a difference. The lightest. Earn space. You'll get your closet space back Traditional liquid laundry detergent and powder detergents take up valuable cupboard space. Natulim strips are very light. No more carrying kilos and kilos of detergent when you go shopping. *Natulim package measures: 15cm in length x 12cm in width x 2cm in height and only 78g in weight. Separate the strip into two parts along the dotted line. Insert half a strip in the bottom of the drum or in the drawer of the washing machine. Add clothes and select wash. Standard wash (3.5 kg) - Half strip. Large wash (7.5 kg) - Whole strip. Causes serious eye irritation. Keep out of the reach of children. Wash hands thoroughly after handling. Rinse carefully with water for several minutes. Remove contact lenses when present and can be done easily. Continue with the wash. Store in a dry place. Keep the boxes properly closed, preferably between 5 and 30ºC.