Letter Carriers can take these handy 2 oz. bottles of SPF 30 sunscreen lotion with them on their routes for protection against the sun. Sunblock is sold in cases of 24 bottles each. Each bottle features a Cedar fragrance to discourage insects in a non-greasy, sweat-proof formula that contains aloe vera gel and Vitamin E. Safe for your skin, this postal sunscreen is also PARA free while offering UVA and UVB protection. Ships USPS.