The Flossr from Gothenburg's SNRGY Studios is made from stainless steel, and has a folding pick to hold floss that you can refill from a spool built into its body. The pick folds into the case when not in use, so you can carry it without worrying about gunking up your floss.

Like other reusable flossers on the market, you can go with any brand of dental floss you like with this. But unlike others I've come across, this one can hold about 10 ft (3 m) of floss in its internal spool – and that should cover you for months of daily use. That means you don't need to carry your dental floss in a separate container when you travel.