Sea glass is small, smooth pieces of glass that have been worn down by the ocean's waves and sand. This glass typically comes from broken bottles, jars, and other glass items that have been discarded into the sea. Over time, the natural elements polish the glass, giving it a frosted appearance and rounded edges. Collectors often seek out sea glass for its beauty and uniqueness. Each piece can vary in color, shape, and size, making it a popular material for jewelry and art. The colors of sea glass can range from clear to green, brown, and even rare shades like blue and purple, depending on the original source.