Main Features: - Suitable for xiaomi Automatic Sonic Toothbrush - Adopt for DuPont Tynex Brilliance bristle to offer higher brushing experience - W-shaped design, smooth to wash the hard-to-reach interdental subject - Rounding bristle will not scratch your gums or damage the surface - Rust-free, environmentally friendly and healthful - Food-grade PP supplies with FDA certification for oral health care - Food-grade pacifier TPE material, comfortable ample to scrub the covered tongue - Recommended to exchange a brush head for 2 - 3 months by way of the dentists, 2pcs in one equipment is convenient for changing Packages include: 2 x Toothbrush Heads with cap