Streamline Rainbow Unicorn - Memo Tab Set. What do you get if you combine two of the happiest things in the world: the unicorn and the rainbow? You get the adorable Rainbow Unicorn Memo Tab Set. Take school supplies to the next level with these rainbow bright memo tabs. Brighten up a kid's day with the Rainbow Unicorn Memo Tab Set. Each set comes with a pink, white and light blue unicorn memo tab. Each unicorn has its own rainbow mane and horn to the add to the fun. Leave a note on these fanciful memo tabs or tuck one in a lunchbox. || Dimensions: 4.38 in x 0.25 in x 3 in, each with a blank center for your note.