Designed by Melissa Mortenson for Riley Blake, this assortment includes 42 - 10 x 10 inches (25.4cm x 25.4cm) fabric squares from the Lets be Mermaids collection. There are 18 different fabrics in this collection. All fabrics are 100% cotton and quilt shop quality fabrics. This precut was manufactured and packaged by Riley Blake. Perfect for your next project.