Popular, traditional method of deterring slugs and snails - Adhesive copper tape barrier - Emits a tiny electrical charge when touched by slugs or snails causing them to turn away - Excellent for use on pots, planters and greenhouse staging Effective protection against slugs and snails for container and greenhouse grown plants and raised plant beds. When touched by the pests, the copper tape emits a tiny electrical charge causing the slugs and snails to turn away. The self-adhesive tape can be applied around pots, staging legs, etc to form a continuous barrier.