They are made of tin plated 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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Filled the mason jar which has snowflakes on the side with candy.
Christmas gifts for my siblings
Great addition to using mason jars for Christmas decor. Love to use the snowflake insert on a jar with Christmas greenery and a battery operated candle.
Very nice and definitely giftable! Will be using them this Christmas 🎄🎄🎄