A set of exquisite color PPT background images

This is a group of exquisite color art PPT background picture, a total of 3 composition, the first is the oblique color pencil stripes, the second for the vertical color of the board pictures, the third for the color pencil pen picture,. PPTX format ;

This is a group of exquisite color art PPT background picture, a total of 3 composition, the first is the oblique color pencil stripes, the second for the vertical color of the board pictures, the third for the color pencil pen picture,. PPTX format ;