Mind the gap! Humble brush’s little brothers take care of everything that big bro can’t. the BPA-free bristles on the interdental brush gently capture and remove the nasties hiding between your teeth, while the bamboo handle ensures steady handling, as well as some breathing room for mother nature. when in need, the interdental stick will provide assistance and sneak in and relieve you of that annoying whatever. so that you can show off that beaming smile for the world to see.