400LBS Heavy-Duty & Anti-Rust Made of powder-coated steel (not cheap wood!), withstands 400lbs without bending. 3x thicker coating vs standard planters prevents rusting for 3+ years even in rain/snow. Smooth Mobility & Space-Saving Two plus-size universal wheels + ergonomic handlebar move 200lbs soil effortlessly. Fits narrow balcony corners (only 29.5 wide) perfect for seniors with back pain. Superior Drainage & Airflow Dual-layer drainage system (5 holes + 2 cross lines) prevents waterlogging 2x faster than single-hole beds. Keep roots healthy in heavy rain! 32" Tall & Detachable Shelf No bending! 32 height reduces knee strain. Extra 37 shelf holds tools/fertilizer no more messy patio. Lifetime Warranty Free replacement for rust/bending contact us 24/7. 90% less returns than wooden beds!