American Crafts-Crate Paper-Crate Paper-Color Reveal Watercolor Kit Banner: Best Day Ever. Use water color to create your own unique banner with this DIY banner project. This 6-1/4x5-1/2 inch package contains eighteen banners with gold accented string. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Do not mouth or chew. Imported.