Specification: Material: micro-nano Toothbrush: approx. 18 x 1.3 cm/ 7.1 x 0.5 inches Bristle: approx. 1 cm/ 0.4 inch Color: black, white, pink, green Wavy brush head, fully fits the teeth to prevent excessive force and damage to the gums 20000 soft bristles, 80 times the amount of ordinary toothbrush, deep inside the gums, clean every corner of the mouth, gently care for the teeth 4 soft toothbrushes in assorted color, can used for different family members,portable for outdoor activities like travel or camping. The package includes: 3 x Black extra soft toothbrush 3 x White extra soft toothbrush 3 x Pink extra soft toothbrush 3 x Green extra soft toothbrush