The AONIJIE 450ML Soft Flask is the perfect hydration companion for runners, hikers, and outdoor enthusiasts who demand lightweight, reliable performance. This collapsible flask is made from TPU material and weighs just 33g, making it an ultralight solution that compresses as you drink to eliminate water sloshing around inside it. The flask is 100% BPA & PVC free with a wide working temperature range from 0°C to 40°C, ensuring safe hydration in various conditions.FeaturesMaterial: TPU (Thermoplastic Polyurethane)Capacity: 450mlWeight: 33gUpdated soft bite valve with higher flow rate, easy on the teethSlim and lightweight design with wide mouth opening for easy fillingFlask compresses as you drink to eliminate water sloshingAntibacterial finish100% BPA & PVC free constructionWide working temperature range (0°C to 40°C / 32°F to 104°F)US FDA 21 CFR 177.1350 standard complianceSuitable for climbing, hiking, cycling, and running
