How to use: 1. Place half of silicone lids over one edge of food container. Start on the side close to your body. 2. Stretch the other half of the lid away from you,inching your way around the bowl. 3. Stretch, then press the top of the lid while pulling the tabs to create a vacuum seal. 4. Pull the side to ensure perfect fit. 5.Clean lids with soft tool and keep them dry before use and after each use.