High efficiency seal. Ensure tightness, and create a safe and reliable sealing barrier. Press both sides with both hands to ensure that the food compressor is in a closed state. The sink design not only helps us deal with excess water, but also allows for quick cleanup with a simple pour operation. COVACURE food vacuum sealer is the perfect gift for the home cook/food explorer/mother! Taste the original fresh taste anytime and anywhere. This is not only a gift, but also the love and pursuit of a better life!