DOUBLE-LAYER WATERPROOF SHOWER CAP: Our reusable waterproof shower cap contains two layers, including a smooth, skin-friendly polyester outer layer and a waterproof PEVA inner layer that effectively prevents your hair from getting wet in the shower or bath. NO TRAIL LEAVES: Each women's hair shower cap features high-quality elastic bands that are highly elastic and abrasion-resistant, combined with unique sewing technology to allow our extra-large waterproof shower cap to comfortably fit most head sizes, and reduce the stress on your head. Reusable women's shower cap to match your personality. These shower caps are stylish and cute, giving you more options to pair with your pajamas. This oversized shower cap in vivid and beautiful colors brightens up your night after a tiring day. Wide Application: Our shower cap hair cap is suitable for showering, cooking, home cleaning and SPA, keeping hair dry and blocking dust and oil fume. Women's shower caps can also be used to tie hair when applying makeup, cleansing, applying facial masks,etc., adding more convenience and beauty to your daily life. Well-sewn elastic and one size fits all: The elastic is sewn correctly and durable enough to keep hair tight in the shower. NOTE: Elastic band fits most head sizes and most long, thick natural hair. But this shower cap may not be suitable for some special hair types, such as wild and curly hair. Secure hair at the nape of the neck for the best fit.