3M Air Barrier Product
This is a cap from "3M," a chemical and electrical materials manufacturer headquartered in Minnesota, USA.
COLOR|Brown, Beige
SIZE|Head circumference: 55cm × 60cm, Height: 11.5cm (measured vertically from the base to the top button. Please consider this as a reference since there may be an error of ±0.5~1cm depending on the measuring method.)
MATERIAL|Not specified (estimated cotton)
CONDITION|Cleaned. No noticeable stains or fraying.