The 20th Century Fashion Postcard Watercolour Book contain 40 cards‎,‎ made of the finest acid‎-free watercolour paper‎.‎ The 250 gsm paper is quite thick to make the cards suitable for mailingThis double‎-thick Postcard Colouring Book contains 40 famous fashion designs‎,‎ including creations by Jacques Doucet‎,‎ Balenciaga‎,‎ Dior‎,‎ Guy Laroche‎,‎ Madame Grès‎,‎ Emilio Pucci‎,‎ Oscar de la Renta‎,‎ Yves Saint Laurent‎,‎ Azzedine Alaïa‎,‎ Christian Lacroix and many others‎.‎The thick 250 gsm colouring cards are made of the finest acid‎-free water colour paper‎,‎ suitable for practically all colouring techniques‎,‎ such as colour pencil‎,‎ felt marker‎,‎ crayon‎,‎ pastel‎,‎ ink‎,‎ water colour‎,‎ etc‎.‎ PEPIN Postcard Colouring Books match the quality of the finest professional watercolour pads‎.‎ In order to get the best results‎,‎ we recommend you use high‎-quality colouring materials