The Swig Rig is everything you need for your next adventure! The Wide Mouth version turns your Nalgene (or similar bottle) into an awesome hydration system! You can add options like bottles and sleeves to customize the kit just the way you like.The bottles we offer are all 48oz. Nalgenes.Hose Options:Our standard hose is available in orange and includes a TruSwig liner to prevent the plastic taste on a hot day.The insulated hose provides some protection for those chilly snowshoe hikes. The insulation is an outer layer on the hose that makes it very durable regardless of the temperature.Both kinds of hoses can be trimmed to length with sharp scissors or knife.