Easy Clean 4 x 4ft Resin Coated Whelping Box. Durable Easy Clean 4 x 4 ft Enclosure with Adjustable Rails and Slide-Up Front Panels Our high-quality whelping box for dogs is designed to meet a variety of needs with its spacious 4 x 4-foot base and 20-inch height. Crafted from marine-grade plywood, it features a resin-coated surface, making it resistant to moisture and easy to clean. The adjustable rails offer customizable configurations, providing flexibility for various uses. Key features: Marine-Grade Plywood with Resin Coating: Built to withstand tough conditions, the resin finish ensures long-lasting durability and effortless cleaning. Anti-Chew Aluminum Edging: Reinforced with anti-chew aluminum edges for added strength and protection. Slide-Up Front Access Panels: Convenient and secure access is provided through the easy-to-use front panels, allowing for quick adjustments and maintenance. Adjustable Rails: The flexible rail system ensures that this box can be adapted to your specific needs by simply turning the bars. If you need a sturdy, low-maintenance whelping box for your next litter of puppies, this product provides the ideal solution for convenience, durability, and long-term performance.