Stay hydrated for longer when out exploring with the Hydrapak Seeker 4 Litre Bottle. This durable, ultra-light hydration storage system is perfect for all your long haul excursions, featuring a weather-resistant pour handle, and two side lash points for hanging. You can also freeze it to use as an ice pack or keep it in your camp kit as your go-to filter bag. In More Detail Packable: Fold or crush to collapse down and pack into the included storage bag. Filtration compatible: Filter more water in the backcountry, most 42mm threaded filters screw on to top. Low-profile handle: Durable, coated handle for easy pouring and carrying. Lightweight: Flexible design makes it so light and compact, you’ll forget it is in your pack.