Soft Running flask can be widely used in cycling marathon running hiking and any other outdoors activities.
These collapsible containers are constructed from food grade TPU (thermoplastic polyurethane) material and are free from BPF. They are secure, light, and simple to clean.
SOFT FLASK makes staying hydrated faster and easier, and it has a durable bite valve with dust cover, the bite silicone mouthpiece lightly that get water easily.
Package included one hydration flask (150ml/5oz). Recommended temperature range 0-60℃