Strass is a type of glass bead that is used to decorate clothing and accessories. It is made from a combination of lead oxide and quartz, and is usually cut into small, faceted shapes. Strass is often used in costume jewelry, as well as on clothing and accessories such as hats, bags, and shoes. It is also used to create intricate patterns on fabrics. Strass is a popular choice for adding sparkle and glamour to any outfit.