Pet mountain did a pro job on the packaging. Even after UPS beat the heck out of the box getting it here, all my bulbs worked. (Seriously, I saw the box and was certain that they would have been shattered) Comparable bulbs cost significantly more on other sites and they charge for shipping. Here I got my shipping for free by spending $75+ The light output on these are great after 7 days of use. 6500k, my fish and plants are very happy.