Don’t forget to clean those hard to get places between your teeth! With Humble Co. interdental brushes made from sustainable bamboo and quality bristles, you can go about your business with a clean conscience. Interdental brushes made from plastics are a ghost from the past! These stylish alternatives, with a handle made from 100% sustainably grown bamboo and with quality nylon bristles from DuPont, providing an easy and practical alternative to flossing. Use Humble interdental brushes daily and give your mouth something to smile about! We offer 4 different sizes of brush: 0.4mm (Size 0), 0.5mm (size 2), 0.6mm (size 3) and 0.7 mm (Size 4).