Stationery item (6)
(Other definitions for paper clip that I've seen before include "It keeps reports together" , "staple alternative?" , "I can hold things together" , "Small piece of office equipment" , "bent wire" .)
'stationery item' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for rubber that I've seen before include "Buffer" , "tough polymeric material?" , "Masseur - series of bridge games" , "Eraser or tough elastic substance" , "Bridge playing period" .)
(Other definitions for treasury tag that I've seen before include "One holds papers" , "paper holder" , "Short cord with metal ends, for holding papers together" .)