Portwest Super Hv Ear Protector Ear Muffs - Yellow | PS41YER CE-CAT III Folds to palm size for better carriage and to keep clean Adjustable dual pin system provides multiple positioning for better fit Portwest Super Hv Ear Protector Ear Muffs - Yellow | PS41YER Hi-Visibility colour. Folds to palm size preventing external contamination. Features CE-CAT III Folds to palm size for better carriage and to keep clean Adjustable dual pin system provides multiple positioning for better fit MaterialsHIPS (High Impact Polystyrene), Stainless Steel