Approved for organic gardening and proven to work just as well as the traditional pellets. 100% metaldyde free. My pellets are based on naturally occurring iron phosphate. Slugs and snails eat the pellets, disappear underground and dont come back. Proven to work as well as traditional metaldehyde slug pellets, and control the large Spanish slug too. Slugs and snails eat the pellets, go underground leaving no unsightly bodies or slime trails. Any pellets not eaten by slugs or snails, gradually break down into nutrients to help feed your plants. Read more Useful Information A 1.2kg pack treats up to 240sq metres.The pellets are long lasting and extra rain resistant.Approved for organic gardening and proven to work just as well as the traditional pellets.