Jumbo BLACK - Waterproof Silicone, Slip-On, Comfort-Fit Design, Swim Cap Or Shower Cap For Dreadlocks, Longer Hair & High-Volume Hair Styles Jumbo Swim or Shower Cap 12.5 X 13.5 inches Great for hair length over 24 inches. For Adults Only - IF YOU DO NOT HAVE AT LEAST 24 INCHES OF HAIR, THIS IS NOT THE CAP FOR YOU. See our XL Dreadlock Swim Caps for children and hair shorter than 20 inches - http://www.amazon.com/dp/B00VEIG6YQ