Easy to Install and Remove: Shower curtain hooks are easy to open and close, no tools needed, can slide over shower curtain holes and rods easily Good quality: the curtain rings are made of metal, sturdy and durable, can last a long time use, and 40 pieces are good for replacement Fix the hook: the curtain hook rings with the quick release accessory, closes firmly to close after installed, helps ensure your items dont find Multi-Purpose: Shower curtain rings are suitable for standard rod, work with most shower curtain or curtain liner; Can also hang other small items Rings hooks dimension: overall hanging hooks size is about 6.5 x 3.5cm, thickness is 2mm, come with 40 pack curtain rings in total