Canson XL Aquarelle Watercolour Pad 300GSM The XL range was specifically developed to meet the needs of art students. As they use large quantities of paper, the XL range features tough pads, with as many as 120 sheets per pad, at a competitive price! XL also provides them with an opportunity to try out different textures and base weights according to their personal tastes and the technique involved. Canson XL Aquarelle Pad with 300 gsm student quality paper, are ideal for a variety of watercolour and wet techniques. This paper is acid-free, with a cold pressed texture. Its surface formulation ensures an excellent wet erasability.