About this item 【Sanitary Packed】: Each toothbrush head is sealed in a plastic bag and packed together in a paper box. Double layer protection to avoid dust pollution during packaging and transportation. 【Teeth Protection】: 95%-98% top of bristle rounded before packaging. Just considering protecting teeth when brushing in high vibration. The teeth enamel would get worn if bristle was not rounded. 【High cost performance】: Dentists recommend replacing toothbrush heads every 3 months, A box of 6 pieces can meet your need to change your toothbrush, and the price is more appropriate. 【Specially Designed】:This head is specially designed compatible with quip Electric Toothbrush Replacement Heads, Ultra Soft Bristles,Deep Clean, Perfect Fit with quip Toothbrush. 【Timely service】： If you have any questions, you can ask a question on the detail page or contact us directly, We will reply to you as soon as possible, and our professional customer service will make every effort to ensure your satisfaction.