The Type dimension of the Bottle-Type Infusion Set market taxonomy is split between glass and plastic bottle configurations. Glass variants, capturing 41 % of 2023 revenue, remain the preference in oncology and biologic delivery because they are inert to lipids and withstand autoclaving, enabling validated multi-drug compounding. However, unit volumes are flat due to their weight, breakage risk and higher reverse-logistics cost. Conversely, plastic bottle sets command 59 % of shipments and are forecast to outpace glass by 2.3× through 2028, propelled by the global switch to lightweight, shatter-proof polypropylene that integrates hanger-strap and drip-chamber moulding in one piece, cutting factory cost by 18 %. Within plastic, single-use formats dominate (>90 %) because infection-control guidelines discourage re-sterilisation, while refillable variants are niche, used mainly in Scandinavian home-care programmes that emphasise environmental footprint reduction.