Terracotta Color 3-Tier Stacking Planter - Vertical Gardening for Herbs, Vegetables, Flowers - Patented Grid System - Best Self Watering Planter - BPA Free Our planters stand alone: our patented Self-Watering system is the pioneer of the stacking planter industry! Multi-tier set: set consists of three tiers of planters, three patented Self-Watering grids, tray (for stacking), chain with swivel (for hanging), and instructions. Self-watering benefits: don't worry about overwatering! C these pots can self-regulate so plants stay healthy and hydrated, Self-Watering - helps evenly distribute moisture throughout and keeps plants healthy because of a consistent water supply! Incredible presentation: our unique and attractive stacking design is ideal for garden lots with little space. Visually pleasing from all angles. Perfect for Small spaces like a dorm room, studio apartment, balcony or anywhere space is limited! The Best of the Best: our stacking planters include free grids and free chains for hanging!