Ever wonder what the inside of your Water Bottle is like? Get it CLEAN! Unique, slim scrubber fits into most bottles, tackling stuck-on gunk from coffee, smoothies, and other drinks—cleaning away what bristles often miss! GETS INTO HARD-TO-REACH WATER BOTTLE CORNERS - The contoured and flexible scrubber tip fits into corners that are usually difficult to reach and clean! SAFE ON MULTIPLE TYPES OF WATER BOTTLES, VASES, AND MORE - Scrubber is safe on wide-mouth water bottles including glass, stainless steel, and plastic bottles, plus blenders, vases, carafes, and more! DISHWASHER SAFE!