Keep your Water Cool and Look Cool Too! Go outside in Style while Protecting and Preserving your Camelbak®, Source®, Platypus®, Geigerrig®, Platypus®, Hydrapak®, or any Hydration pack drink tube. Our covers also keep your water the right drinking temperature in various weather conditions. Neoprene cover is composed of a flexible insulated material, which is great for protecting your drink tube from heat exposure or freezing temperatures. Our inventory of colors makes it easy to match your drink tube with your hydration pack style. ****Check out our Amazon store for additional hydration accessories Hydration Tube Covers.