Wool & Rayon Felt. This high quality Mercurius felt is 50% wool / 50% rayon. This creates a felt that is lighter than 100% wool felt. It has a delicate shine, is tear-resistant, and perfect for sewing and handcrafting. It is available in 27 radiant colours. 50% wool / 50% rayon, 20x30 cm (7.87x11.81 inch), 350 gsm, 10 sheets of one colour, 27 colours available. colour: 660 red | 661 carmine red | 666 green | 668 dark green | 670 blue | 672 ultramarine | 673 cobalt blue | 675 apricot | 678 dark brown | 681 light blue | 683 cyclamen | 684 purple | 686 orange | 691 grey | 693 black | 695 light green | 697 lilac | 698 yellow | 702 lemon yellow | 703 golden yellow | 704 peach | 705 white | 706 red violet | 707 pink | 708 vermilion | 712 red brown | 716 dark pink