Thank you, @arrr! Surely YOU must also try watercolour also, because it is very fun and @shibasaki sensei makes really wonderful lessons that are inspiring to follow and try!
Yes, receiving gifts was like Christmas morning all over again ! I can see you have experienced the same feeling yourself * ___ * Amazing time, indeed!
I think it is a plastic sheet? Looks like it's a thing to line your table with, so it must be made from durable material...