Replacement compatible for Roomba 500, 600, 700, 800 and 900 full range of models Pack with two rubber tyres compatible for iRobot Roomba Easy to assemble: cut and remove used rubber, place new rubber. Great adhesion to all surfaces, exceptional quality Colour: Black Material: Plastic Package Contents:4 x Tire skin Only the above package content, other products are not included. Note: Light shooting 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.