The EF galaxy hydration pack. This 2 Liter (0.5 Gallon) hydration pack comes decorated with an all-over galaxy pattern and a black EF rubber patch on the front. It comes with fully adjustable shoulder/chest straps to make sure it doesn’t bounce when you move as well as padded back and shoulder straps. For storage, there is a large pocket to keep all your things secure. The pocket is lined with nylon to make sure that no water seeps. The built-in tube clip allows you to keep the bite-valve as close as you need it. Available exclusively at Electricfamily.com