Styrofoam insulation is sandwiched between two layers of plywood and then surrounded with an aluminum shell. Patented aluminum corners allow you to slide the panels in, add a few screws, and still be UPS shippable. Please allows 6-8 weeks for delivery.
Medium Cube 32W x 30L x 22-24H For dogs to 75lbs. (Approx 30 x 28 interior)
Large Cube 38W x 30L x 22-24H For dogs 75 to 90lbs. (Approx 36 x 28