Keep your Mason Jar Pint Jars safe and stylish with these 2-pack of ultra-thick silicone sleeves. Durable walls provide superior protection from heat, cold, and toughest food. Perfect for microwave, freezer, and oven use. Safe for food, safe for you! Multi-use for lunch containers or travel mugs with lids.
  Built to last with double-layer insulation, these jars make handling convenient. No finger protection issues. Leak-proof and safe for food. Easy to carry anywhere. Eco-friendly alternative to plastic.