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Care & Cleaning

Our products are dishwasher safe. For drinking bottles and straws, however, we recommend thorough cleaning with a suitable brush. The sealing rings can be washed in the dishwasher as well. However, we recommend hand rinsing for a long durability.

 Water can enter the inside of the lid through the handle mounting of the bottle lid. However, the water that has collected can be easily removed by shaking.

Cleaning in the dishwasher is possible. However, our bottles have a wide opening and should be cleaned regularly with standard bottle brushes. For manual rinsing you only need warm water and a mild detergent.

The sealing ring is made of food safe silicone. Nevertheless, it may discolour after some time (e.g. due to black tea or similar drinks). This is normal and has no effect on the functionality of the sealing ring. If necessary, the sealing ring can be removed for cleaning. To remove discolouration from the bottle and the sealing ring, place it in the bottle, pour in some vinegar and hot water, allow to work in and then clean with the bottle brush and rinse thoroughly. 

If some water collects in the lid after cleaning, you can shake it out easily.

We recommend that you clean the straws thoroughly immediately after use with the brush provided. If there are dried residues (e.g. from a smoothie) in your drinking straw, first soak it in rinsing water and then use the brush for thorough cleaning. Otherwise a round in the dishwasher will do.
If rust spots are visible on a lunch box, many people believe that inferior metal has been used and that it must therefore be a complaint. There is a widespread misconception that stainless steel cannot rust. Stainless steel consists of approx. 70 % iron. The rust resistance is only created by a protective layer (also known as a passive layer). This protective layer consists mainly of chromium and other precious metals such as nickel. Corrosion (rust) can have various causes, such as incorrect use of the stainless steel product or excessive exposure to chloride. Even briefly exceeding the limit values is enough to damage the passive layer. 

Causes of corrosion (rust):
  1. There are rust particles in the air (flash rust) which are deposited on the surface. However, rust film can also be transferred by other sources of rust (e.g. in the dishwasher). These can be, for example, non-rusting screws of pots or dishwasher baskets whose plastic coating has been damaged.
  2. The water has a high iron content, the particles react with the chlorine and deposit on the stainless steel.
  3. The chlorine content of the water is or was too high.
  4. The water contains a high salt content and is operated at high temperatures. Translated with DeepL.com (free version)
All stainless steel parts should be cleaned regularly. Commercially available household cleaners that are suitable for stainless steel (i.e. without acetic or citric acid) can be used safely in conjunction with a soft cloth or sponge. Cleaning sponges made of steel wool and cleaners containing vinegar, citric or hydrochloric acid are unsuitable for cleaning stainless steel. To ensure that your stainless steel product continues to shine for a long time and no unsightly rust spots form, you should take the precautions mentioned above.
Stainless steel is not usually magnetic. However, there is also magnetic stainless steel that is used in the manufacture of pans and pots to make them suitable for induction hobs. The magnetizability of stainless steel has no influence on its quality. Non-magnetic stainless steel can become magnetic in certain places through strong forming.