Specification: Inner Shell - ABS Plastic (Acrylonitrile Butadiene Styrene). Outer Cap - 100% cotton. Perforated sides allow cross ventilation for better air circulation. Available in orange color. The product Design is certified by the controller general of patents,Design and Trademarks,the patent office,Government of India.(The Design;No.263306). Applications: ERT Members. ORT Members. CRT Members. EMT Members. Factory Supervisor. Plant Engineer. Maintenance workers. Factory Operators.