... 8L Can contain 2-3 L food grade reservisor hydration pack* Design to carry : 2L reservior, energy bars, head lamp, ... outdoor activies* Total Capacity : 9L * Weight:360ghiking hydration pack; waterproof hydration packOur advantage:1. Wehave our own factory2. ... promptdelivery time4.Competitive price5.OEM and your design arewelcome. We can provide design service , produce based oncustomer material,color ...