【Manufacturer】Hapikalor paper are FSC certified for the traceable use of wood from non-threatened forests. Hapikalor Watercolor Pad 7 Sizes- Including Popular Sizes 5.5″X8.5″, 8″X10″, 8.5″X11″, 9″X12″, 11″X14″ ,12″X18″, 18″X24″.