Features: These food grade silicone parts is designs for high temperatures and provide improved durability and safety for long terms performances in your shower. Great for shower head with opening size of 4mm/0.16inch. Easy and efficient to replace old or damaged nozzles. Easy to install: The installation process is simple and convenient, requiring you to remove the old and effortlessly insert the new nozzle. Suitable for most shower head, these replacement nozzles can be easily fit. Each package contains 50pcs shower head nozzles to ensure that you have enough replacement for future needs. Specifications: Materials: Silicone Size: about 7.6x8mm/0.30x0.32inch Package Includes: 50Pcs/set Shower Head Replacement Nozzles note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.