Sirdar Moonstone 50g/100m 70% acrylic, 30% glass bead. Rec needles 5mm. Sirdar Moonstone is a beautiful yarn that comes in a range of jewel tones, as well as white, grey and black, each shade is dusted in clear glass beads that creates an effect that is absolutely stunning. To accompany this gorgeous yarn we have a range of designs for elegant garments and accessories, what’s more the ball band comes with a free pattern for a stylish hat on it. Sirdar Moonstone is machine washable.