The cute bird waterer spike is highly transparent to allow the planter to easily check the liquid content anytime for refelliment. Moreover, this helper also works as a nice decoration to liven up your home, gardens and backyards. It is suitable for a plethora of plants, including potted plants, hanging plants, houseplants, herb plants, vegetables, patio plants, outdoor gardens, and so on. No worries as supplies a sufficiently thick glass material to prevent it from cracking, leaking or breaking even after years of use.