I use blue lights year-round on the shrubbery in front of my house -- helps delivery people find my place & entertains the neighbors. I was so happy with my first purchase from this company that I just ordered several more strings of these lights. They are shorter strings than you usually find in lights you buy around the holidays, but the quality appears to be good. My only complaint is the shipping cost -- it's WAY out of line (1) compared to other sellers in general, and (2) for the small size/weight of the package. They charge $17.59 (or $17.55) for UPS delivery of 10 strings & those strings are packaged in such a way that they fit into a surprisingly small box. So, be warned about the shipping cost, but the product is great -- sufficiently so that I'm eating the shipping cost a 2nd time, lol!