Related Clues:
- Enclosed tightly
- Closed tightly
- Shut tightly
- Securely closed
- Like perfect alibis
- What some lips may be
- Completely closed
- Closed up tight
- Securely fastened
- Stamped as authentic
- Fastened as in S.W.A.L.K.
- Leased in secured state
- Secured against leakage
- Closed up, watertight
- Not allowing gas to enter or escape