1. Prepare white vinegar or aged vinegar, dip a cloth or sponge in the vinegar, evenly wipe every part of the stainless steel hip flask, let the vinegar erode, and then rinse it with clear water. This method is suitable for descaling.

2. Add detergent and energetic fine sand, shake with water, pour out, rinse, soak in boiling water for 3 minutes, pour out, and then soak in hot water for half an hour.

3. If stainless steel hip flask is not used for a long time, it is easy to oxidize and the weld is easy to blacken. You can wipe it with vinegar and rinse it with water.

4, stainless steel material is different from other, easy to leave splash stains and fingerprints, you can use an eraser to wipe off the traces and splash of stainless steel hip flask without water, and then clean it with a dry cloth.

5. Don't stop drying the small hip flask. If the stain is serious, it can be scrubbed with a rag dipped in decontamination powder, which can effectively remove stubborn stains.