Crossword clues for the word: BOXTOPS The word BOXTOPS has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for BOXTOPS Showing 1 to 4 of 4 results Clue(s) *Cardboard clippings for schools """The Letter"" group" Some proof-of-purchases Some proofs-of-purchase