Sta is a brand of acrylic paints. They come in all colors of the rainbow. They are perfect for writing on top of ceramic items. They can be used to personalize just about any sort of sleek surfaces. Some of the markers are water soluble so make certain to pick the right one for the type of medium you desire. The brand also includes brush pens and doubled sided markers. They work perfectly on most types of papers. The point keeps its proper shape after prolonged usages.