Waterproof Silicone Swimming Cap Perfect to Keep Hair Dry for Women With Ergonomic Ear Pockets to Cover Ears The best for long hair. Keep Your Hair Dry & Protected From Contaminated Water or Chlorine Premium Quality Silicone for Maximum Stretch & Durability - Long lasting, light weight Eco-friendly, Odourless, & Non-toxic. Amazing stretch for comfort. Quick and easy to take off without snagging hair.