With a magnetic design on the back, you can stick it on the fridge door or chalkboard. The smooth surface of the clip can be printed with various logos and eye-catching advertising space. Firmly clip the mouth of the bag to keep food fresher. Rigorous sealing is airtight to prevent food from moisture and spoilage. Return spring, strong clamping force, press to open and close without effort, not easy to deform, food is not easy to leak. Inside with concave-convex groove, bite tightly to ensure good sealing, and prevent food from moisture deterioration. Multi-purpose, not-to-seal snacks, flour, fruit, and vegetable, seasoning packets can be used.