Non-original, applicable brush head Ultrasonic electric toothbrush can effectively remove dental plaque and reduce necrosis. The appearance of the 3D brush adapts to the of the teeth. The brush head is small and delicate, and it is easy to touch the inside of the mouth classic 0.152mm bristles are used, the bristles are approved by and by ultraviolet rays Vacuum packaging, this type is suitable for people who smoke or drink coffee Colour:A:black Material:Plastic + nylon bristles Package Contents: 10 x electric toothbrush head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.