Package includes: 4 x soft toothbrushes in blackwhiteblue and pink you can share them with your friends and family as giftalso portable for outdoor activities like travel or camping Multi-duty: soft bristles of the toothbrush help you prevent gum recession from aggressive brushingwith comprehensive cleaning functionalso suitable for tongue-cleaning 20000 Soft bristles: more than 20000 pretty soft micro-nano bristles,penetrate the sulcus of the teeth and the gum line,deeply and smoothly clean the teeth and remove the filthy without hurting the tooth enamel Suitable for: this delicately-designed toothbrush adopts nano technology,great for those who have fragile teeth and other teeth-related worries Proper size: the micro-nano manual toothbrush measures 18 x 1.3 cm/ 7.1 x 0.5 inch bristle's length is 1 cm/ 0.4 inch suitable size for easy holding and deep cleaning,also allows for convenient taking