Crazy Sutra Premium Rattan Reed Flower Sticks & Reed Curly for Reed Diffuser "Reeds" are natural fibre sticks.. its neither wood nor bamboo.. the function of reed sticks is to suck fragrance and bring to the top via capillary action. Rattan reed is an excellent choice for diffuser sticks due to its superior wicking ability. Just pour some of your favorite fragrance oil inside a vessel and insert the reed sticks. The oil will be absorbed by the reeds drawn up and evaporate into the air. We use precise automatic cutter to cut rattan into different sizes of diffuser reeds (rattan sticks) to assure the exactly round incision of each piece of our diffuser reeds and the excellent diffusible property. Strict anti-mildew and anti-insect process assure exactly no mildew and insect free of our diffuser reeds.