DMC Top This! Special FX Yarn BUMBLEBEE -YARN TOP THIS! Add to compare list ViewExisting reviews DMC-Top This Special FX Yarn. Top This! adds special effects- metallic or glow in the dark along with a coordinating character to top the knitted hat. Content (Yarn): 31% Polyester, 41% Acrylic, 28% Nylon. Content (Character): 100% Polyester. Putup: 2.82oz/80g, 98yd/90m. Gauge: 15sx24r = 4in/10cm on size US9/5.5mm knitting needles. Dyelotted: we try but are not always able to match dyelots. Care: hand wash, do not machine dry, do not dry clean, do not iron. Comes in a variety of designs. Each sold separately. Imported. This product is sold out.