The brush has a nylon bristle tip with a rust free stainless steel wire handle. A plastic polypropylene handle is added to make it easier for holding and scrubbing.
The Sippy Straw Cleaner underwent weeks of laboratory testing in New Jersey for verification of its compound makeup. The Sippy Straw Cleaner is not only FDA approved, but BPA free and meets all the requirements of the US Consumer Product Safety Regulations.
Which brand of sippy straw cups can I use the brush on?
The straw brush cleaner will universally fit ALL major sippy cup straws. In addition to sippy cups, it will clean thermos straws, accordian straws, sports bottle straws, and standard drinking straws.