Premium Material: This food bag sealing clip is made of high quality food grade PP material. Safety, health and hygiene. The surface is smooth and burr-free. Sturdy, reusable, stable and durable , the clip has a extremely long life. It is an indispensable tool in your kitchen! Good Sealing: All the locks of this food bag sealing clip are double toothed, which helps to seal better and keep food fresh and hygienic. With a screw cap, it can be effectively sealed and stored without worry about food moisture. Make sure food is hygienic and dry. Easy to use: 1. Cut a corner of the food bag; 2. Insert the spout into the food bag; 3. Tighten the sealing ring for sealing and storage; 4. Open the screw cap, easy to empty the food. This clip grocery bag closure is ergonomically designed and very easy to open and close. Wide Application: This food bag sealing clip is widely used in potato chips bags, coffee bags, noodle bags, vegetable bags, salad bags, candy bags, spice bags, etc. With a good sealing and convenient operation, you can enjoy fresh food for a long time and have a healthy lifestyle at any time.