16-Panel Heavy Duty Metal Dog Exercise Pen with Self-Locking Gate, 40" Tall for Large Breeds - Indoor/Outdoor Use, Quick Assembly & Rust-Resistant Design

Heavy-duty iron construction with anti-rust coating provides weather-resistant durability, maintaining structural integrity through outdoor use Self-locking gravity gate mechanism ensures secure containment while allowing easy access - stays closed under pressure but opens smoothly with gentle push 16-panel modular system lets you create custom containment shapes (circle/rectangle) to fit 71-90 lb dogs in yards, patios or indoor spaces No-tool assembly system connects panels via pre-installed stakes for setup in minutes - includes floor protection plugs to prevent surface damage 40" height and reinforced metal framework safely contain large breed dogs while remaining portable for relocation between outdoor/indoor locations