consist of special caps, tube and mouthpiece it can turns a bottle into a hydration system in several easy steps,
which give you a hygienic and convenient drink from any standard water bottle during activity.

Parts Included:
28mm cap
30mm cap
Bite valve w/switch (mouthpiece)
Tube w/protective spring
One direction valve to prevent vacuum effect
clip (to attach tube to clothing)

Features:
hands-free hydration design.
Cleverly designed to fit most standard water bottles throughout the market.
System is easily cleaned than traditional water bladder.
Change diverse beverage at any time easily.
Match new bottle each time, safe and sanitary.