Sungmart has the Collapsible 16oz Water Bottle (Blue or Black) for $2.26 - 8% off with coupon code Bens10 (enter at PayPal checkout) = $2.08 with free shipping. Features carabiner clip and ability to stand upright when full.
I have to agree with #1, since this is thin and flexible you could easily conceal it on your person, though since it is thin and flexible you probably don't want to try drinking directly from it after you're feeling the effects as it seems like it would be easy to spill.
non metalic flask, Makes for a great way to sneak in booze.
I have to agree with #1, since this is thin and flexible you could easily conceal it on your person, though since it is thin and flexible you probably don't want to try drinking directly from it after you're feeling the effects as it seems like it would be easy to spill.
Yep, this is a good way to sneak booze onto a cruise ship. Just stick it in a folded shirt!
These last about two weeks, then they develop a leak in the bottom fold area.