Answer: sealin

AnswerCrossword Clue
SEALINKeep from escaping
SEALINEncase securely
SEALINLock up tight
SEALINEnclose securely
SEALINClose up securely
SEALINProtect, as freshness
SEALINMake Tupperware-fresh
SEALINPrevent from escaping
SEALINImmure
SEALINSecurely fasten
SEALINEnclose
SEALINGive no escape