It is made of aluminum and really lightweight so it is easy to handle. They aren't particularly expensive either (less than $20). Batting comes folded on the roll, so the 48" length is perfect to make sure I am cutting off a square piece. It would certainly be helpful with packaged batting as well.
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I also wanted to share that the paper copies of our latest pattern have arrived and are available in the Highway 10 Designs Etsy Shop, or directly from Kathy or myself.