Double Shower Curtain Hooks - Set Of 12 Double shower curtain hooks feature an inner and outer hook so you can hang both a decorative shower curtain and liner easily. Special design allows you to easily replace your liner without having to remove the curtain. You can also use the inner hook to hang sponges, brushes or other bathing needs. Fits standard liners and shower curtains. Plastic. Each measures 3-1/4". Set includes 12 easy-to-hang hooks.