[ Material] These cleaning brushes are made of nylon, while bringing you durability and versatility. Nylon bristles can effectively clean the dirt of the small holes on the nozzle without damaging the . (Applicable to holes with a diameter 0.7mm) [Shower Head Cleaning Brush] SAY GOODBYE TO THOSE INSISTENT STAINS AND DIRT! Specially used for cleaning of crevices, efficient and in-depth cleaning, can penetrate deep into crevices and small holes to clean blockages. Quickly unclogs the deposits that accumulate in the showerhead, restoring the strong waterflow. [Easy Rotate Non-Slip Handle] Shower Head -hole anti-clogging cleaning brush. Ergonomic design is easy to apply force and gently rotates straight to the inside of shower holes cleaning efficient. 10 packs of row design, take it as you use it, easy to store. [Easy To Use] Simply insert it into the pipe, rotate it, remove and wash it. With the soft but bristles, it can be used to clean holes and does not scratch the inside. The non-slip handle design with concave and convex lines makes it more convenient to handle. [Multifunctional] Our cleaning brush is very flexible and not break easily. It is often used , not only for showers in the bathroom but also for faucet sprinklers in washstands, , smart toilet flushing nozzles, mobile phone data ports, and other small holes and seams.