4 in 1 KITS: including 4 items for hydration bladder cleaning and drying----1* flexible snake brush, 1* smaller brush, 1* bigger brush and 1* collapsible frame.
FLEXIBLE SNAKE BRUSH: excellent for tube hosecleaning;
CLEANING BRUSHES: Smaller brushes for mouth piece cleaning, bigger brush for bladder (reverioser) cleaning
COLLAPSIBLE FRAME: it can be squeezed together to fit inside the bladder and make the bladder dry, fit for any brands bladder with Maximum mouth opening 4.7" and Minimum mouth opening 1.6"
GUARANTEE &100% MONEY BACK: Any reasons you are not 100% satisfied with the straw, we will do 100% MONEY BACK without question asked.