Press Vacuum Storage Glass Jar Capacity:830ml Food Grade Material: Made from

Food Grade Material: Made from food-grade PET plastic

Leak-Proof Design: Equipped with a food-grade silicone sealing ring and a secure buckle mechanism

Various Capacities: Available in three sizes—340ml (11

Good Sealing: The lid features a convenient switch mechanism

Top-Handled Lid: Each container comes with a top-handled lid to keep contents fresh and protected

Press Vacuum Storage Glass Jar Capacity:830ml Food Grade Material: Made fromFEATURES: Air Extraction Process: This jar requires continuous pressing to remove air, although it cannot achieve a complete vacuum. Regular use of the press will help reduce air exposure and maintain freshness. Troubleshooting Air Leakage: If you encounter air leakage or difficulty extracting air, inspect the sealing ring and tank body for any debris or obstructions that may affect the seal. Proper Fill Level: Ensure that the jar is not overfilled.