Extra soft bristles. Multi-height bristles clean big and small teeth. Gentle on gums, but tough on stains. Extra soft bristles for effective and gentle cleaning. No plastic smell. Bright and glossy color. Comfortable and sturdy brush handle. BRC RSCI ISO9001 certification. New raw material, healthy. Customized Logo Acceptable. Deep oral cleaning. Protect teeth, Avoid bacterial growth. Easy-to-grip handles to provide comfort and control while brushing. It comes with sliver nano bristles, which has antibacterial function. Big tufts of bristles can touch the teeth with a large area, reduces oral irritation. 0.01mm sharpening bristles diameter help to deep cleansing tooth. The rate of Anti-microbial bristles rate is greater than 99%. Non-metal hot melting technique reduces harm of metal rust stain to mouth.