Feature:1. Specially designed to fit for MIJIA S50 S51 sweeping robot, durable to use.2. It is washable and reusable, suitable for storing all kinds of floor dust.3. Easy to install, it is an excellent replacement for old or damaged dust boxes.4. Meet strict quality control standards and perfectly matches your sweeper.5. Compact structure, wear-resistant, corrosion-resistant, long-term use.Specification:Item Type: Dust BoxMaterial: ABSWeight: Approx. 172g / 6.1ozCompatible: Fit for Xiaomi S50 S51Product Size: Approx. 16.2x8.7x6cm / 6.4x3.4x2.4in Package List:1 x Dust BoxNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.