This product is a preservative for reusable natural plants. You just need to put the branch or the small plant in the container with the product overnight and the sap will be replaced by the agent getting it to remain undamaged or wither in our diorama. The plants can be painted with acrylics in order to avoid that t plants color can be weakened over time by the elimination of chlorophyll. The jar is wide enough to put the plants without difficulty.