Removes Chlorine & Odor, BPA-Free [Complete Portable set with Carry Case, Carabiner & Brush Cleaner] - Designed to be ultra travel-friendly, our filter straw for drinking is collapsible, lightweight and requires no assembly. It even comes with a sleek carrying case, a collapsible brush cleaner that fits in the same case and a strong carabiner clip to attach it to your keychain, backpack, purse or even your pocket!. No Returns