Are you looking for a threshold ramp? This plastic frame is designed to make it easier for the robot to sweep up the stairs. It is lightweight, easy to carry, and non-slip. Portable size, easy to use, suitable for indoor stairs or steps at the gate, practical and convenient. The groove treatment has a good anti-slip effect, it can also be used in the toilet. Features - Color: Black - Material: Plastic - Size: 17.10X5.10X1.30 cm/6.72X2.00X0.51 inches - Suitable for various door steps, thresholds, and small thresholds, facilitating the passage of the robot vacuum cleaner. - Simple color design, this robot vacuum cleaner ramp is stylish and beautiful, complementing home decor. - Made of plastic material, durable and easy to clean, not easy to slip, ensuring safe passage for the robot. - Easy to install, no tools required, simple DIY. Provides you with more convenience to use in your daily life. - After the groove treatment, the pressure resistance and anti-slip effect are good, and the bathroom can also be used in the bathroom. Packing list 2 x plastic ramp plate