Hard plastic packaging marked as PET (1). We accept only items with appropriate marks in them! Usually these are: single-use food containers, single-use eggholders, single-use sauce containers, bottles after beauty products,vitamins, household detergents, etc.
1.
Empty from any liquid/food. Rinse if necessary. Wash well if it contained anything greasy or sweet
2.
Press as much as possible or put similar containers in each other