Calunce 2pcs Small Hand Blown Clear Glass Self Watering Aqua Globes (Large Bird) Self-watering system eliminates the need to worry about leaving your plants unattended. Easy to use vacation watering for outdoor and indoor plants Watering lasts for two weeks, until refilled. New size for smaller plants. For use with potted plants, houseplants, patio plants, hanging plants and outdoor gardens Transparent, genuine hand-blown glass design.