HOLLOW BODY HAVING A WALL WITH A LAYER OF GLASS AND AT LEAST ONE ELEVATED REGION

The invention refers to a hollow body (100), comprising a wall (102) which at least partially surrounds an interior volume (101) of the hollow body (100); wherein the wall (102)a) comprises a layer of glass (104), comprising a first glass composition,b) comprises a base surface (106), andc) has a wall surface (103);wherein the wall surface (103) comprisesa. at least one surface region (105), in which the base surface (106) is at least partially superimposed by at least one elevated region (107), andb. at least one contact region (120), which extends along a contact range (118) of a height (117) of the hollow body (100);wherein the at least one elevated region (107) comprises a further glass composition; wherein throughout the contact range (118) an exterior diameter (119) of the hollow body (100) has a maximum; wherein the at least one surface region (!05) is at least partially positioned in the at least one contact region (120). Further, the invention refers to a process (500) for making an item; to a hollow body (100), obtainable by that process (500); to a closed hollow body (400); to a process (700) for packaging a pharmaceutical composition (401); to a closed hollow body (400), obtainable by this process (700); to a use of a hollow body (100) for packaging a pharmaceutical composition (401); and to a use of a plurality of glass particles.