Reversible 2-in-1 Fit: Flip the silicone lid to fit regular-mouth jars with the 2.95" x 0.71" side or wide-mouth jars with the 3.22" x 0.71" side, including compatible Ball, Kerr, and Mainstays Mason jars.
Complete Lid and Straw Set: Includes 4 silicone Mason jar lids and 4 stainless steel straws, providing a coordinated drinking setup for multiple jars while keeping the essential lid-and-straw pieces together.
Built-In Straw Hole and Stopper: Each lid features a built-in straw opening with a matching stopper. Insert the included straw for convenient sipping, then close the opening when the straw is not in use.
Airtight Silicone Seal: The silicone lid forms an airtight seal around the jar opening to help keep contents fresh and prevent spills, making it practical for everyday drinking and storage.
Heat-Resistant and Dishwasher Safe: Made of heat-resistant silicone, the lids are designed for repeated use and can be cleaned in the dishwasher. The durable, easy-care material supports long-term daily use.
