Yerba Santa and White Sage Jumbo Stick.To use. Light the smudge stick, wait a moment, then blow out the flame. Fan embers lightly to keep it smoldering (may need to relight if it extinguishes.) Use the smoke to "wash" persons, property or spaces. Smudge stick measures approximately 5 in. long by 1 in. wide and will last for many uses if extinguished properly after each use.