glass jars, glass bottles, metal tins, plastic containers. there is a bewildering variety of options to package your product. o.berk company serves as a total packaging resource for over 6,000 customers worldwide in the cosmetic/personal care, pharmaceutical/vitamin, food/beverage, chemical/industrial and specialty markets. whether you?re buying glass jars or plastic jars, buying by the carton or truckload, o.berk can meet your needs. we have one of the industry?s largest inventories of glass jars and glass bottles in clean flint, amber and cobalt blue, plastic bottles and plastic jars in clear, natural white and colors, amber and flint glass jugs, metal and plastic pails, metal tins and un packaging for shipping hazardous materials. we also have a wide selection of screw caps, pumps and sprayers as well as droppers, corks, child-resistant, tamper-evident and dispensing caps. samples are free for your testing.l white and colors, amber and flint glass jugs, metal and plastic pails, metal tins and un packaging for shipping hazardous mat