The shower curtain at my parents' cabin has suction cups to stick to the side of the shower to keep it closed. : r/mildlyinteresting
Bath Bliss Waterproof Shower Curtain Liner, 4X's Splash Guard Suction Cup Leak Protection, 12 Rust Resistant Copper Grommets, 3 Large Magnet Hem, 100% PVC, 70 x 72, Clear
Amazon.com: Shower Curtain Liner With Suction Cups
JDEFEG Shower Curtain Long Liner 78 Ocean Beach Print Shower Curtain Waterproof Shower Curtain Bathroom Heavy Side Shower Curtain Stand Up Shower Curtain Liner Suction Cups B 180X180Cm - Walmart.com
Amazon.com: Mrs Awesome Waterproof Fabric Shower Curtain Liner, Suction Cups Included, Machine Washable Cloth Shower Curtain for Bathroom, 72 x 72 inch, White : Home & Kitchen
Amazon.com: Bath Bliss Waterproof Shower Curtain Liner, 4X's Splash Guard Suction Cup Leak Protection, 12 Rust Resistant Copper Grommets, 3 Large Magnet Hem, 100% PVC, 72"x72", Beige : Home & Kitchen