A recent social media debate sparked curiosity about the odd line on bath towels. While some joked about “face/butt delineation lines,” the real answer lies in its function.

This line, called the dobby border, reinforces the towel, preventing fraying and enhancing absorbency. It also keeps the towel’s structure balanced, ensuring it remains soft and lightweight.

Beyond function, the dobby border adds aesthetic appeal and helps with folding and hanging. So, next time you grab a towel, know that this simple detail plays a crucial role in durability and performance!