The Pineapple Quilt Block Foundation Paper Piecing Pads from It's Sew Emma! uses shaded diagrams to help you to create up to 42 unfinished quilt blocks measuring 12 1/2". This item is great for beginners learning how to use Foundation Paper Piecing. The Pineapple Quilt Block Foundation Paper Piecing Pads can be used with 2 1/2" fabric strips and 5" fabric squares to help you create crisp and accurate quilt blocks for your pineapple quilt. Great for retreats!