Jet Lube Extreme Pail Metal 11417 91016 and knuckle strap gloves with and knuckle strap gloves with heavy white canvas back Sewn with super strong Larger surface area means more air flows in and out of the mask without a valve Durable Dura Mesh® shell prevents collapsing from heat and humidity FlexFit® design fits the contours of the face and mouth for comfortable extended wear Soft foam nose cushion and pinch free nose bridge Its solids package is formulated to prevent excessive circumferential makeup by increasing the coefficient of friction under compressive forces Brushable and stable over a wide temperature range