Snap and Grow 6 ft x8 ft greenhouse has been engineered to get you growing quickly. It's unique SmartLock connector system allows you to assemble the heavy-duty, aluminum frame quickly and easily without a lot of hardware and the innovative split door and ventwindows are pre-assembled out of the box. Polycarbonate panels are impact resistant. Strong, crystal-clear SnapGlass panels slide and lock into place without any complicated tools or hardware. UV protection means long lasting clarity. Aluminum frame willnot rust.