Extend the life of your shower curtain by adding Whitmor's Liners. They are easy to replace so you can change it in seconds. The hem features an ultrasonic cut to prevent mildew buildup. The magnetic bittom helps hold the shower curtain liner in place and keeps water from splashing out. The 70" x 57" liner fits 71" x 77" shower curtains. Made of waterproof 90 D polyester. Whitmor is a 4th generation family-owned and operated business. Since 1946, Whitmor has been dedicated to bringing organization home by creating products that simplify everyday life. Ensuring that those products are built with integrity, value, and innovation is our commitment to you. And our promise is that we will always be here for you should you ever need us as we stand behind our product 100%. Whitmor customer service is available in English and Spanish Monday through Friday from 8 a.m. to 4:30 p.m. CST. Call us and we will gladly assist you in your language. You may contact Whitmor toll-free at 1-888-944-8667 or via email at help@whitmor.com.