Self-adhesive copper tape / snail tape - 10 mm width, roll of 20 m. The copper is in contact with the snail's body creates a weak electrical charge that is dismissive of the snail. Clean the surface first so the tape can stick with for several seasons. Use thumbtacks on the surface is not clean enough or smooth. Clean the copper surface and ensure that there are no traces of soil, leaves, etc. so that the snails can take that road.- 99.98% pure copper- Protects against (killer) snails in an environmentally friendly way- Protect the plants in your gardenSpecifications:Color: CopperMaterial: CopperWidth: 10mmLength: 20mThe Package Contains:1x Roll of Copper Tape.