[Product Information]

• 10 SILICONE GROMMETS BPA-FREE FOOD GRADE BLACK SILICONE for Fermenting in Mason Jars for any brand Mason jar plastic caps
• Fermenting or Mason Jar Tumblers or Sippers
• BPA-Free - Food Quality & Food Safe
• DIY Mason Jar Straw Lids - Sipper Lids
• Bright Vibrant Colors - Easy To Insert into 1/2" drilled holes for Mason Jar Sippers