The cap of Gum Proxabrush Travel is used as a handle for better access to areas hind Small and practical, this ambulatory brush is ready to use. is your ideal travel companion. The brushes are protected by an antibacterial agent, Chlorhexidine, inhibits bacterial growth on the brushes up to 2 weeks. The cap protects the brush while allowing it to dry. Interdental brushes improved comfortr and control thanks to a flexible handle antibacterial bristle protection