Sippy cup cover (3)
I believe the answer is:
lid
(Other definitions for lid that I've seen before include "Top or cover" , "Hat" , "Covering" , "Cover for box or pot" , "Cover for box or eye" .)
I believe the answer is:
lid
(Other definitions for lid that I've seen before include "Top or cover" , "Hat" , "Covering" , "Cover for box or pot" , "Cover for box or eye" .)