Those familiar lines on your bath towel, known as dobby borders, are more than just decorative. They are cleverly woven to reinforce the fabric, preventing stretching, fraying, and curling, thus extending the towel's lifespan. These borders also aid in neater folding and surprisingly, improve air circulation for faster drying, keeping your towel fresh and functional.
source https://timesofindia.indiatimes.com/life-style/fashion/buzz/ever-wondered-why-towels-have-lines-the-answer-is-surprisingly-smart/articleshow/126176273.cms
source https://timesofindia.indiatimes.com/life-style/fashion/buzz/ever-wondered-why-towels-have-lines-the-answer-is-surprisingly-smart/articleshow/126176273.cms