Bobble is a stylish, reusable bottle that filters water as you drink, using a replaceable carbon filter. When water passes through the filter, the carbon removes chlorine and organic contaminants. bobble is intended for municipal tap water making water better, with every sip. Fashioned by leading industrial designer Karim Rashid, bobble is a beautiful, sleek alternative to single-serve plastic water bottles, which harm the earth (and your wallet). Every filter equates to 300 single-serve bottles. After a year, you've removed thousands of bottles from the environment, simply by filtering the water from your tap. bobble is BPA-free and free of Phthalates and PVC.