Gütermann Silk Thread Gütermann creativ offers sewing threads made from pure silk for fine seams with that classic look. Stylish, elegant closing and serging seams can be created with Silk S 303. Perfect for hand appliqué. 100% silk 100m per reel Tkt 100 Available in 6 colours – brown (446), black (000), charcoal (36), citron (286), mustard (412) and gold (968)