Piksters interdental brushes purple these interdental brushes from piksters are re usable and can last for up to two weeks if you have used interdental brushes before you may notice a difference in the way piksters do not buckle or bend as much as some twisty handle this allows the user to rotate the brush on and after insertion piksters come in a range of 8 sizes for all situations piksters are small enough to be kept in your pocket wallet or purse strong stiff plastic coated wire