airtight seal
No gaps remain
An airtight seal is a closure that prevents air from passing through.
The term applies to jar lids, window gaskets, spacecraft hatches—anything designed to block airflow completely.
Figuratively, an airtight seal suggests total containment: They kept the project under an airtight seal until launch day.
- O-ringCircular sealing element
- moisture barrierMaterial blocking water transfer
- watertight compartmentSealed vessel section preventing flooding
- gasketMechanical leak preventer
- vacuum sealingRemoving air from packaging
vacuum pack · impermeability · leak proof · freshness · food packaging · sealant · hermetic · canning · lid · mason jar · snap lid · screw cap · pop top · silicone · food preservation · rubber · caulk · airtight
- sealsgasket, o-ring, O-ring, wax seals, fur seals
- packaging designbottle design, logo, typography, color palette, font
- fruit preservesstrawberry jam, raspberry jam, blackberry jam, grape jelly, apricot jam
- glass fruit jarsMason jars, pickle jars
- packaging typesgift wrap, bubble wrap, shrink wrap, clamshell, blister pack
design intent
airtight sealair vent
Opening for airflow
exhaust port · intake valve · drainage hole · weep hole · relief valve