A curtain liner is a layer of fabric that is added to the back of a curtain. It helps to block light, insulate against cold or heat, and provide privacy. Full definition
Hello, I was our plastic shower curtain liner in the wash with 1 or 2 towels. (makingahouseahome.net)
Use this washing technique to clean your shower curtain and shower curtain liners in the washing machine with some assistance from baking soda and vinegar to keep it looking fresh. (blog.lakeside.com)
I use a plastic shower curtain liner for the dollar store as my «mess mat» that I put under the sensory bin. (loveplayandlearn.com)