Soft bristles: The bristles can completely improve the brushing process. The advanced bristles technology can avoid the damage of uneven bristles to the gums, clean gently, and protect the health of the gums. Thoroughly clean teeth: More than 20,000 very soft micro-nano bristles penetrate the tooth groove and gum joints to clean the teeth thoroughly and smoothly, remove dirt, and do not damage tooth enamel. Nano toothbrush: This beautifully designed toothbrush uses nanotechnology, which is very suitable for people with fragile teeth and other dental problems. Ergonomic design: The toothbrush handle conforms to the ergonomic design, the size is appropriate, and it is easy to hold and clean thoroughly. They have a comprehensive cleaning function and are also suitable for tongue cleaning The package includes: 2 black soft toothbrushes, 2 white soft toothbrushes, which can be shared with friends and family as gifts, or can be carried with you, suitable for outdoor activities such as traveling or camping. Product Features: Our super soft nano toothbrush reaches the hidden area in the gap and can effectively clean the teeth and gums. Tips for toothbrushes: According to scientific knowledge, the bristles of the toothbrush will be damaged during use. If the toothbrush is used for more than 4 months, bacteria will form. If the bristles of the toothbrush are bent, they should be replaced immediately. Specification: Color: white, black. Package content: 4 x soft micro nano toothbrushes.