O-paper / O-paper

A set of portable painting tool is the pursuit of all the hobby drawing and designer.
The design is to put the painting for a pen and paper together to hold in a tubular device,present the form of A4 paper together, roll it up and then inserted into the cylinder, the pen is put into the lid,and twist the lid, such a portable barrel packaging design tool is produced ,when you useit every time you only need to pull from the side of the cylinder A4 paper can painting, run out of a paper along the dotted line onthe paper torn .it is convenient for you to take this tool. It gives people new experience in the way of using.