Leak Proof Plastic Storage Lids with Silicone Liners for Mason Jars

These lids are made from sturdier plastic and thick silicone liners designed for easy cleaning and a tight seal to prevent leaks.

• The description claims the lids are twice as thick as those from Ball and most other brands.
• The description claims the silicone liners are BPA-free and platinum-cured LFGB European-grade.
• The description claims the lids pass the pinch test.
• The description claims the threading is silky smooth and easy to turn.