West Pharmaceutical Services offers containment and delivery systems for injectable drugs and healthcare products worldwide, operating in two segments: Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment includes stoppers, syringe and cartridge components, and administration systems, while the Contract-Manufactured Products segment designs devices used in surgical, diagnostic, ophthalmic, injectable, and other drug delivery systems. The company distributes its products globally through its sales force, distribution network, and contract sales agents.