Made of thick lead-free transparent glass, the jar body is high temperature resistant and easy to clean. The press-type lid with air exhaust valve can expel internal air for vacuum sealed storage, effectively keeping food dry, fresh and away from moisture. Soft matte plastic lids fit tightly to prevent dust and bugs. Smooth cylindrical design saves cabinet space, blank glass surface supports custom silk-screen logo printing. Widely used for kitchen storage of grains, tea, snacks and preserves.