Holiday sparklers are a type of festive decoration that is often used to add a bit of sparkle and shine to holiday celebrations. The two crossword solutions for the term 'holiday sparklers' are 'TINSEL' (6 letters) and 'tinsels' (7 letters). TINSEL is a type of decorative material that is made up of thin strips of shiny material, usually plastic or metal, that are hung from ceilings or wrapped around trees and other objects. Tinsels are similar to TINSEL, but they are usually thicker and more durable.