Valdani Variegated Pearl Cotton Ball Size 12 109yd Scrap Basket Collection. Perele Cotton Size 12. Scrap Basket Collection - Desgner: Kim Diehl. This overdyed thread is a highly decorative, double twisted, indivisible long staple 100 percent cotton thread that has been double-dyed to achieve an amazing depth and profusion to colors. This sampler pack contains 6 solid and variegated colored balls. Size 12. Excellent for Wool Applique, Stitching, Punch Needle, Hand Quilting, Hardanger. CHK-SCPC12SMPLR