This item ships standard for FREE to the continental U.S.!If you need a lot of covered space for large gardening projects, then the Americana Hybrid Greenhouse is the greenhouse for you. With walls that are 12 feet wide and 12 feet deep, this greenhouse provides more than 144 sq. ft. of usable space, with an 8-foot-tall ceiling at the apex of a strong a-frame roof, you could practically live in this greenhouse if you wanted to. Resistant to both cold with thermal insulation and UV radiation up to 100%, the polycarbonate siding still offers the transparency that gardeners love and plants need. 4 vent windows that are adjustable enable air to circulate as necessary, while a galvanized steel base and heavy-duty aluminum frame?both of which are rust resistant?ensures your greenhouse will remain standing season after season. With a 5 yr. warrantee, you can rest assured that your garden is in good hands.