Lightweight and no feelings of bulky when you are painting. Our canvas panels/boards are space savers and money savers. They are portable, very easy to store, also perfect for metal frames, and other frame moulding. Dimension: 15 CM x 20 CM (4 pieces), 20 CM x 20 CM (4 pieces), 30 CM x 30 CM (4 pieces) , 24 CM x 30 CM (4 pieces), 30 CM x 40 CM (4 pieces). Material: 100% cotton. 280gsm/ 0.3cm thick and sturdy canvas. Canvas panels are ready to use. Smooth cotton surface great for paint to hang from, for oil paints, watercolours, acrylic, tempera, gouache, and more. Ideal for all levels of artists, students, hobby painters, kids, beginners and professionals. A sturdy use is guaranteed with these smooth and quality canvas. An inspiring gift for variety of events, such as crafting and arts activities, birthday, kids party, and Christmas. Designed for use for Oil or Acrylic painting. Attention: for fluid acrylic pouring, canvas boards might turn to warp when a large amount of fluid acrylic paint is left on it.