Glittery trim is a type of decorative trim used to add sparkle and shine to clothing, accessories, and other items. The two most common types of glittery trim are TINSEL and diamante. TINSEL is a type of thin, metallic foil-like material that is often used to decorate Christmas trees. Diamante is a type of rhinestone or crystal that is often used to decorate clothing and accessories. Both TINSEL and diamante can be used to create a glittery trim effect.