Drain Backflow Preventer, 2 Pcs Floor Drain Strainer Mesh Drain Cover, Round Lid Silicone Core Toilet Anti-odor Taste Inner Core Sealing Ring（Silicone & Stainless Steel)

【Safe and effective】 It is safe and efficient, and the vibration is slight and painless. After use it, your teeth will be noticeably whiter, and free of plaque. Need to insist on long-term use., 【Humanization】It conforms to ergonomics, and holds silica gel very well. With charming colors and portable size, this lightweight tooth cleaner., 【Comfortable hold】It reaches all your teeth easily and the power of the vibration is perfect., 【Easy to Use】Just put it in place and turn on, it’s foolproof., When is draining, the grate seal will open automatically under the effect of the gravity. This trap guard is designed in V-cup shape, water can go out smoothly.