Grower?s Edge? Fiberglass Stakes are ideal for all your heavy-duty plant supporting needs. These Stakes are made of fiberglass that allows for flexibility without breaking or bending. Fiberglass stakes will not rot or fray like bamboo and they won?t rust or degrade like steel stakes making them ideal for long term use. Using Grower?s Edge? Fiberglass Stakes gives your plants the added support and strength they need with the flexibility to move naturally. These stakes are great for indoor or outdoor use. 6 ft Stakes cannot be shipped UPS ground.