4PCS/set BEI Clean Suitable for C1 S7 Oral Care Toothbrush Head

Certification : CE Place of origin : Mainland China Applicable people : Adults Applicable brands: Dr. Bey's full line of products 1. Material: nylon bristles 2. Made of nylon brush from DuPont, which has stronger toughness and can wear round without hurting the gums. 3. Patented layout: mountain structure + sandwich brush layout, can quickly penetrate deep into the gum sulcus, a scientific arrangement of brushes for cleaning teeth and caring for the gum sulcus 4. Nickel silver fine wire, corrosion resistant, not easy to breed bacteria Package contents. 4 toothbrush heads