Wholesale Containers Boxes Rectangular Large Outdoor Garden Flower Pots Planter Decorative Planters. High Rust Resistance: Made of galvanized steel with natural zinc color, retaining color for years without rusting. Stable & Durable Structure: Precise components ensure stability against heavy plants and strong winds without tipping. Effective Drainage System: Pre-drilled drainage holes at the bottom prevent water accumulation and protect plant roots. Easy Assembly Design: Simple assembly process with detailed instructions, requiring no complex tools or skills. Space-Efficient Square Shape: Square design allows single use or multiple combinations for unique garden landscapes. Professional OEM/ODM Service: Customize design, size, materials, and branding with a professional engineering team. Multiple Certifications: Holds ISO9001, ISO45001, ISO14001, and CE certificates for quality and safety. 16+ Years Manufacturing Experience: 100% manufacturer with over 16 years in the field and 8 R&D engineers.