Sof-Krate indoor / outdoor pet homes make the perfect safe retreat for dogs of all sizes. They are stylish, lightweight, and washable and they set up and fold away in only seconds. Sof-Krates feature top and front entry doors for added convenience, an extra strong steel frame for durability, and heavy duty zippers with door lock for easy containment. Also includes heavy-duty ventilated mesh panels, a durable water-resistant base, and rounded corners to protect auto interiors and home decor. N2-21 model is suitable for pet up to 15lbs. Not designed for cold weather outdoor use!