Features of Cork lid for weck jars:

• Useful cork stopper to give a thousand uses to your jars and bottles.
• Cork is the bark of cork oak (Quercus suber), a vegetal tissue that covers the trunk of the tree and grows, every year, a new periderm overlaping the oldest one. That makes cork a renewable and ecological product.
• Cork has unique and unparalleled qualities that no human ingenuity has managed to imitate or improve: lightness, elasticity, high coefficient of friction, impermeability, or thermal insulation...
  
• Offer easy-open option for Weck jars and bottles.
• Hand-wash only.
  
• Do not use for canning.
• Brand: Weck

Made in Germany.