FUNCTION -- Section Right Angle Edge Sweeper Slope Sill Pad assists your robot vacuum to across the threshold(1-3 CM height), make the cleaning more extensive and efficient. WIDE COMPATIBILITY -- The ramps door threshold widely applicable to all kinds of sweeping robots. Compatible with for / for / for , etc. PREMIUM MATERIAL -- Robot vacuum threshold ramp designed with TPE soft plastic, it can be bent freely, and the corrugated design is not easy to slip.The bottom tape adopts non-marking double-sided tape,help fix to the ground without leaving marks. Rounded edges for full-angle climbing. Adjustable length modules, combine them according to your actual needs. Colour: gray Material: plastic Package Contents: 4 * Threshold strip Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.