They are made of galvanized steel. This means the cutout edges are raw steel, which can rust.
Hand wash and dry.
Fits any regular mouth Mason jar.
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Great product and service!
I love how they thank the postal service on their packaging. That speaks volumes!
The inserts worked beautifully with my mason jars! We used straws to sip our lemonade and iced tea in style! Everyone loved the detailed leaf cutouts that added a special touch to the luncheon.