Prym 611-606 marking pencil water erasable silver-coloured prym 611-606 pencil £2.50 Quantity: at £2.50 each Add To Basket 5 in stock. Silver coloured water erasable marking pencil Use to mark fabrics for patchwork, embroidery, dressmaking,homesewing, quilting. Marks are removed with clean water and by gently rubbing with a damp cloth. it is advisable to test pencil on a sample of your fabric before proceeding. All marks should be removed before ironing or dry cleaning.