Small door: 13 in. L x 9.5 in. W . Large door: 16 in. L x 14 in. W . Assembly required . Exterior enclosed area: 41 in. L x 27 in. W . Interior enclosed area: 31 in. L x 25 in. W . Overall: 84 in. L x 33 in. W x 41 in. H Kits are shipped nationwide via common carrier. When your shipment is expected to be delivered via common carrier, you will be required to have 2 people there to help unload. Your shipment will arrive on a pallet (number of pallets will vary with size of building). The truck driver will help remove the bands and wrapping on the pallet, the 2 people will then be required to unload each panel from the truck.