Suitable for all types of soil, as they are particularly strong and resistant to bending. Water-resistant and durable plant plugs - These plant plugs are made of high-quality plastic, a material containing a high proportion of materials that do not break as easily as metal markers; Planting signs are excellent for marking flower pots and planters Non-toxic materials for environmental protection. Will not change the taste of vegetables, fruits or herbs and will not contaminate the soil. Plant labels --- All labels are UV resistant, allowing them to last as long as possible. Easy to clean and use Simply write on plant plugs --- Convenient and easy to use to mark seedling pots, pots or seedlings with a pencil or marker Shipping quantity: 120pcs