Aisen Industrial Official

アイセン・インダストリアル株式会社

Use “Trepica”
Those products use acrylic fiber and a unique material called “Trepica”. The key feature of this material is its ultra-fine bristles, which can penetrate tiny crevices and scratches to scrub out dirt. As a result of this dual action, you can remove stains like coffee rings with just water—no detergent needed.

Fits the shoulders, cleans every corner.
As shown in the photo, the flexible tip of tea stain cleaner (KS962) bends to fit the bottle’s shoulders and bottom edges, ensuring every corner is thoroughly cleaned.