Review title is Lids Would not seal tight [SEP] First, I love the look of the blue glass bottles. They looked so nice until I filled them with liquid. I used these to mix up a homemade bug spray using essential oils. We were going on vacation and needed to take bug spray with us. After I filled the bottles i put the tops on and noticed they leaked when turned upside down. So, I tried to tighten the lids a bit more while trying not to overdo it on the plastic tops and over-tighten. I was never able to screw the tops on and keep them from leaking. Very disappointing when you are trying to pack them for a trip. I guess they would be fine if you know you are going to be filling them and they will stay upright.