- Product includes: 2 Pcs blue soft flask(500ml)
- Foldable Food Grade TPU Soft Water Bottle: Designed for the sports enthusiast, this soft water bottle is made of soft TPU material, 100% BPA free, with a recommended temperature range of -20-60°C. When empty, the bottle can be compressed to the size of the palm of your hand, making it easy to stow away in a fanny pack or running vest pocket.
- 360° Leak-Proof Technology: Upgraded double-seal cap with rotating lock mechanism ensures zero spills even when shaken. Non-slip textured surface provides secure grip with sweaty hands, ideal for trail running or obstacle races.
- Dynamic Pressure-Sensing Flow Control: Built-in responsive valve automatically adjusts water speed based on biting force – stronger bites trigger faster flow. Syncs with runners' energy expenditure to optimize hydration timing for long-distance performance
- Compact Multi-Purpose Water Bottle: This soft flask running bottles holds 500ml and fits arm bands, bike carriers and hiking backpacks, making it perfect for marathons, fitness classes or hikes - replacing bulky hard water bottles and saving up to 70% of space
