Description This set of 5 rectangular planter boxes features an innovative sunken self-watering structure that optimizes bottom water circulation, cutting down frequent watering work while maintaining consistent moisture for healthy plant growth. Equipped with dual side drainage outlets and built-in bottom drain holes paired with a removable water tray, the planter effectively boosts root aeration, eliminates waterlogging, and prevents root rot caused by excess standing water. The detachable catch tray collects overflow water to keep windowsills, countertops and balcony surfaces dry and stain-free. Constructed from thickened sturdy PP plastic, these planters stand up to variable outdoor weather without cracking or fading. With a neat rectangular silhouette in neutral grey-white tone, they fit perfectly on windowsills, balconies, patios and indoor tabletops, ideal for growing fresh herbs, leafy vegetables, small fruits and blooming flowers with minimal daily maintenance. Features Smart sunken self-watering system improves bottom water circulation to reduce watering frequency Dual side drainage outlets plus built-in bottom holes deliver excellent root ventilation to avoid root rot Removable water catch tray blocks overflow to protect furniture and window ledges from water stains Thickened premium PP plastic construction is weatherproof, sturdy and long-lasting for year-round use Neat rectangular compact shape fits most windowsills, balcony railings and indoor counter spaces Smooth neutral grey-white finish matches all modern, minimalist indoor and outdoor decor styles No complicated maintenance required, perfect for beginner gardeners and busy plant lovers Multi-scene compatibility works seamlessly for indoor desktop gardening and outdoor patio planting Complete set of 5 identical planters allows classified planting of different herbs and flowers together Ready-to-use structure with zero assembly required right out of the package Specifications Product Category: Gardening Supplies, Self-Watering Rectangular Plastic Plant Planter Box Single Planter Outer Size: 42.5cm W × 17cm D × 15cm H Main Construction Material: Thickened Weather-Resistant PP Plastic Exterior Color: Grey-White Two-Tone Overall Shape: Long Rectangle Core Functional Design: Self-Watering Reservoir, Dual Side Drainage, Detachable Catch Tray Applicable Placement: Indoor Windowsill / Tabletop, Outdoor Balcony / Patio / Garden Assembly Requirement: No Assembly Needed Package Content: 5 × Rectangular Self-Watering Planter Boxes Reminder Note: No instruction manual Minor dimensional deviation of 1–3cm may exist due to manual measurement. Slight color difference may appear under different monitor screens and lighting environments. Empty and wipe the detachable water tray regularly to avoid algae buildup for cleaner plant growth