• -- Automatic heat absorption design. Just face the dark green side to the sun and let the sun sufficiently shine on the bag. The water in the bag will be heated and it can be used in about 3 hours.
• -- Large capacity design. The 40L water space is designed to meet your water needs.
• -- Environmentalies friendly PVC material, non‑toxic, non‑polluting, environmentalies friendly and durables.
• -- Large water inlet, retractable shower head, enhanced sealing method, bring you maximum convenience.
• -- Wide range of applications, suitable for outdoor hiking, camping, travel, etc.