Oversized design is perfect for all hair lengths and thicknesses. Waterproof eco-friendly frosted PEVA material. Elasticized hem with stylish accents. Mold and mildew resistant. The Betty Dain Hipster shower cap offers a soft, waterproof design made from mold-resistant frosted PEVA, an alternative to vinyl. It provides the perfect combination of style, comfort, and quality. The oversized design of the Splash of Gold shower cap fits perfectly with all hair lengths and thicknesses.