1. Ultrasonic electric toothbrush can effectively remove dental plaque and reduce gum necrosis. 2. The appearance of the 3D brush adapts to the shine of your teeth. The small and delicate brush is easy to press in the mouth. 3. Use DuPont American tynex classic 0.152mm bristles, FDA approved and UV sterilized brush. 4. Vacuum packaging, safety standards. This type is suitable for people who smoke or drink coffee. 5. Suitable for SOOCAS V1X1/X3/X5/X3U electric toothbrushes. Name: Electric Toothbrush Head Type: Replacement Toothbrush Head Model Number: For SOOCAS Item Type: Toothbrush Head Gift: Toothbrush Holder Gift 2: Dental Floss Model: For SOOCAS Electric Teeth V1/X3/X3U/ X5 Model 2: for Soocas V1/X1/X3/X5/X3U PS: please note the model: for SOOCAS Note: suitable brush Material: plastic Color: white/pink/black Package content: 8 x electric toothbrush head / 4 x Electric Toothbrush Head Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the photo a little different from the real thing. The measurement error is +/- 1-3cm. Shipping Time: We can ship all products within 5~8 business days