Shower Curtain Liners

Measure the width of the shower rod and the height from the rod to the tub edge or floor; standard liners are about 72 inches wide by 72 inches high, but you may need longer or wider sizes for curved rods, extra-tall ceilings, or tub surrounds. Allow a couple inches of overlap if you have a two-panel setup and consider shorter liners for clawfoot tubs to avoid puddling

Common materials include vinyl/PVC, PEVA/EVA (vinyl-free), polyester, and cotton blends; PEVA/EVA and treated polyester liners tend to resist mildew better than untreated fabric, while vinyl offers strong water resistance but can off-gas. For mold resistance, look for water-repellent or antimicrobial-treated liners and materials that dry quickly

Choose clear or frosted liners if you want light to pass through and to show a decorative outer curtain; opaque liners provide more privacy and concealment of water stains. The choice depends on bathroom lighting, privacy needs, and whether you have a decorative fabric curtain that should remain visible

Shower curtain liners commonly fall into budget ranges under $20 for basic vinyl or PEVA options, $20–$50 for higher-quality water-repellent or antimicrobial liners, and more for specialty or heavy-duty fabric liners; average prices in broad assortments are often around the low tens of dollars

Look for reinforced buttonhole or rust-resistant metal grommets, weighted or magnetized bottom hems to keep the liner in place, and liners with strong top headers or snaps for secure attachment to rings or hooks. A liner with a mildew-resistant coating and quick-drying material also helps maintain performance over time

Most plastic and PEVA/EVA liners can be wiped down with a vinegar-water or mild bleach solution and may be machine-washable on a gentle cycle; fabric liners are often machine-washable—follow label care instructions and air-dry to prevent shrinkage. Regular rinsing and allowing the liner to hang open between uses reduces mildew buildup

A liner is designed to protect walls and tub from water and is usually used with an outer decorative curtain; some waterproof fabric curtains are made to be used alone, but using a dedicated waterproof liner generally extends the life of decorative fabric curtains by preventing moisture contact