Eight (8) .63 in. (16 mm) buttons per card, 100% cotton fabric covered metal core. The Tilda Jubilee Collection (including Farm Flower Blenders) are designed by Norwegian designer Tone Finnanger. In 2024, Tilda turns 25, and to celebrate the occasion they gathered festive fabric designs from different collections over the years to create the colorful Jubilee line. With its reds and blues accompanied by teals, yellows and pinks, this collection is not just perfect for birthday and jubilee celebrations, but for any quilt or fiber project!