This set includes 4 soft toothbrushes in blue, green, pink, and beige. Share them with friends and family as a thoughtful gift, or take them on the go for travel and camping! These toothbrushes feature soft bristles to help prevent gum recession from aggressive brushing. They offer comprehensive cleaning, and are even suitable for gentle tongue cleaning. Boasting over 20,000 ultra-soft micro-nano bristles, these brushes penetrate the sulcus and gum line, cleaning teeth deeply and gently, removing dirt without damaging enamel. This finely designed toothbrush utilizes nanotechnology, making it perfect for those with sensitive teeth and other dental concerns. The manual micro-nano toothbrush measures 18 x 1.3 cm/7.1 x 0.5 inches, with a bristle length of 1 cm/0.4 inches. The perfect size for easy grip, deep cleaning, and comfortable handling.