Straw that can be connected to the AONIJIE Quick Stow soft flask models, both the 250ml model and the 500ml model, not for the other models. Allowing the bite valve to be closer to the mouth. Eliminating the need to remove the AONIJIE soft flash from your pocket for faster hydration while on the go.
 
Features: 
Compatible with the Soft Flask AONIJIE Quick Stow models of 250ml and 500ml
Measurement: 18cm x 4cm
Weight: 25gr
BPA AND PVC free; does not interfere with taste
Soft and flexible TPU tube
Screwcap
Extraction lock closure, to prevent dripping