... wearability, comfortable, deft, firm, weather proof Application:Can be used for electronic, optical instrument, pharmacy, microbial engineering, precision instrument, ... °c) and soft brusher, cant be cleaned in washing machine.2. Washed with neutral detergent.3. Clean sufficiently, dry ... or desiccant.4. Keep the shoes in cool place with plugging in soft things ( cloth or paper). cleanroom used 4- holes ...