Specification: Material:food grade for wealth plastic Size: 2"*0.2" 40 pcs pack Features: Easy to use soft rubber Wire free Gentle but effective interdental cleaning Easier than flossing Give gentle yet effective interdental cleaning whilst helping to minimise gum trauma interdental brushes, the easy and effective way to clean between your teeth. Interdental cleaning is the removal of plaque from between the teeth, which your normal toothbrush cannot reach. This is where a lot of dental disease starts. The wires used in the interdental brushes are plastic coated and safe to use. It is recommended you change the brush every week or when the brush becomes worn, please note that undue force and continious bending at servere angles will lead to damage of the wire. Package included: 40PCS a packunbranded