RootTrapper IIRootTrapperII is an attractive, white, soft sided container that benefits your plants. Because the container is white, the soil temperature is reduced and the root zone is cooled, which leads to greater root growth and less water usage. The RootTrapperII stimulates root branching by trapping root tips. Through the root trapping process, RootTrapperII ensures that the root tips are always branching. These RootTrapper containers are more effective than