Item Descriptions: Tire compatible with for RoboVac 11S, 11S MAX, 15T, 30, 30C, 15C, 15C MAX, 12, 35C-Rubber bands do not fit for other models such for the 990 or 990 Excellence series Non-slip, the wheels not slip on the floor of your home, which prevent the robot from malfunctioning and make cleaning more efficient and wear-.Be careful when disassembling and replacing, so as not to damage Made from high quality materials, it can withstand impacts. Confidence in the durability, elasticity and high adhesion of terrazzo, parquet, floor coverings, smooth and rough floors. Please see the model and size when purchasing, so as not to apply. Specifications: Material: rubber colour: As shown Package Contents: 4 x Wheel Tires Only the above package content, other products are not included. Note: Light reflection 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.