Safe and Non-Toxic: Made of high quality silicone, non-toxic, tasteless. Food grade silicone jar seals are safe for your family. 6 Options: 5 colors, including red, white, orange, gray, green. Also has a mix option with different colors. 12 pieces seals are enough for daily use and replacement. Reusable and Durable: Comes in great durability, our replacement seals can be reused for a long time, easy to clean and will not absorb flavors and odors. Airtight Seal: These seals are good replacements if your seals are wearing out. Good sealing and sealing effect, keeping your fruits and vegetables fresh for a long time. Usages: Use these replacement silicone seals to replace your old mason jar seals - Preserve your fruits, vegetables, jams, sauces.