Nitri-Pro® Medium Size 9 Heavy Duty General purpose Navy Flexible NBR Nitrile Palm Coated Work Gloves with white cotton jersey liner and reinforced safety cuff provide superior cut, puncture, snag, abrasion resistance and excellent resistance to oil as well as grease. Gloves being an economical replacement for medium to heavy-duty leather palm work gloves are manufactured in compliance with 21 CFR, parts 170 to 199 and are acceptable for food handling applications. They have an exclusive triple-layer foam insulation for extra warmth in cold applications. They must be laundered at 40 deg C and can be used for handling rough castings, cores, extrusions, tubular steel, sheet metal, fabricated metal, lumber, plywood, drywall, concrete blocks, bricks as well as general building materials.