Used about 10 times. Washed. Two instances of fraying were found. Please check the photos. Please refrain from purchasing if you are sensitive to imperfections, as this is a personal inspection. This is a lumbar towel to alleviate lower back problems during sleep. It fits around the lower back, filling the gaps that cause back pain and leading to a comfortable sleeping posture. Made with Imabari towel material, it can be adjusted to your preferred height, and it helps to align your sleeping posture without putting strain on your lower back. Supports waists up to 100cm.