Com-Fit Plush⢠Natural Fit masks have a patent pending elastic chin strip that is designed to conform to the usersâ natural facial structure. Plus itâs softer and more breathable than leading brands. Hypoallergenic comfort. Available in all three levels of ASTM protection. Com-Fit Plush⢠Natural Fit Masks, ASTM 1, White, 40/bx, 1 bx/ea |