Bullet Points : 1 > Soft Brush Head For Everyday Use 2 > Dupont Tynex Classic Bristles 3 > Pedex Colour Reminder Integrated 4 > Total 816-918 Bristles Per Head 5 > For Up To 90 Days Of Use Description : Product Description Sonic Toothbrush Heads Regular White Lote 2 Pz Ingredients Beconfident Safety Warning Beconfident Sonic Replacement Toothbrush Heads White With Dupont Bristles And Integrated Colour Reminder For Brush Changing, Hardness Normal To Soft, Can Be Used Up To 3 Months