Collapsible 500ML Soft Water Flask, BPA‑Free TPU for Running Hiking Cycling Product Description Lightweight foldable hydration flask for outdoor sports. Features ‑ Collapsible & space‑saving ‑ Food‑grade BPA‑Free TPU ‑ Leak‑proof bite valve with dust‑proof cap Specifications ‑ Brand: SOFT FLASK ‑ Capacity: 500 ML ‑ Material: TPU, PP, Silicone ‑ Size: 20 × 7.5 × 10 cm ‑ Weight: 33 g ‑ Temp Range: 0°C‑60°C Package Included 1 × Soft Water Flask