·EASY SEAL FOR FRESHNESS - The lid edge features a 3-degree slanted design that squeezes out excess air when pressed, effectively preserving freshness. These unique lids are suitable for preserving fruits, vegetables, and other foods. Laboratory tests show a record of sealing for up to 14 days, but actual duration may vary depending on usage and food type.

·VERSATILE SIZE TO FIT MOST CONTAINERS - Fits round or square glass/wood containers. Available in 4 sizes: Green - 4.7", Blue - 6", Purple - 7", and Red - 7.8". Tip: It is important to use a container with a smaller diameter than the seal ring for best results.

·FOOD GRADE SAFE MATERIAL: Made of German platinum silicone, it has been tested for over 5000 reusability to ensure food safety and long-lasting durability. This high-tech material is only 0.5mm thick, has excellent ductility, is lightweight, and outperforms 99% of other fresh-keeping materials.

·CONVENIENT AND EASY TO USE - Designed for quick and easy use - No more struggling to lock containers or dealing with sticky plastic wrap. Just press and seal your food quickly and conveniently. The user-friendly design makes it easy to keep fresh, even when your hands are full or messy. In addition, it is dishwasher-safe and stackable for easy storage.

·Sustainable Living - Say goodbye to disposable plastic wrap, use durable and high-quality silicone bowl covers, you can not only avoid rust on metal covers, but also reduce environmental pollution caused by disposable plastic wrap. This is the core purpose behind our product design - to promote a sustainable and healthy lifestyle.