Universal Compatibility Designed to work with various robotic vacuum cleaner brands, ensuring broad applicability across different models. Modular Design Multiple pieces can be assembled according to specific needs, offering flexibility and customization for various threshold heights. Enhanced Climbing Capability Features a round edge design that enables smooth navigation over barriers, improving the vacuum's mobility. Anti-Slip Surface Wavy design increases grip, reducing the likelihood of slipping and enhancing the vacuum's stability on different surfaces. Efficient Room Transition Assists robotic vacuums in entering and exiting rooms with thresholds, ensuring seamless cleaning across the entire living space. Specifications: Material: ABS plastic Design: Modular, round-edged Surface Pattern: Wavy for enhanced grip Function: Threshold ramp for robotic vacuums Assembly: Customizable based on specific needs