✅【Uses High-Quality Non-Woven Fabric】High-quality polypropylene non-woven fabric is resistant to friction, difficult to deform, and has anti-static effects. Furthermore, we have conducted formaldehyde content tests, which are harmful to the human body. We recorded a value of 20? (micrograms - one ten-thousandth of a gram) or less at a leading domestic inspection institution. This product is safe for the human body and can be used by children. ✅【Double Rubber for High Durability】Lightweight and comfortable rubber neatly organizes hair, completely catching loose or falling hair. Compact for easy storage: The accordion design makes it compact and convenient for storage, and it doesn't take up space. It can be used immediately when expanded. ✅【Supervised by a Practicing Nurse】For the development of improvements, we were supervised by Ms. Kaori Tsukamoto, a practicing nurse, making this product easy to wear for patients who are experiencing discomfort due to hair loss after chemotherapy. ✅【Generous 100 Sheets】This environmentally friendly product is used in various places such as food factories, medical facilities, experimental research laboratories, precision machinery factories, and clean rooms. ✅【Nurse Supervision】Disposable Hair Cap for Hair Loss, Uses High-Quality Non-Woven Fabric, Hygienic Cap for Chemotherapy, 100 Sheets, Unisex, Free Size