No more weeding, reduce root circling in containers and quit cutting away tree roots! Cut your weeding budget with these easy to install, long lasting, UV resistant discs. Super new technology is used to create a needle punched non woven fiber fabric, backed by a latex coating that is impregnated with copper to help prevent surface germination of weeds. Precut to easily slip into place. Geodiscs permeability allows a constant passage of air, water and even solid and diluted fertilizers. Terrific for herbicide sensitive plants. 0.35mm-0.5mm thick. Choose a diameter equal to, or slightly greater than containers (up to 3/4 larger) so that it clings to the inside of the pot. Other sizes available call or write for a complete brochure.