Our Cass Art Watercolour Postcard Pads are part of our award-winning own-brand range of papers, which give you dependably high quality and excellent value for money. Our watercolour paper is acid-free for added longevity, and cold-pressed, so it's slightly textured. These postcard-sized pads contain 15 sheets of good-quality 300gsm watercolour paper, each measuring 148mm x 100mm - a handy size that's particularly suitable when you are out and about and do not want want to lug a larger pad around. Each piece of paper has postcard details printed on the back so you can send out your designs via the post. We sell Cass Art Watercolour Postcard Pads with four different covers: Cool Blue Spot; Cool Blue Stripe; Hot Spot; Hot Stripe.