Pros : Uniform, plenty of length. Just the right width for soda bottles. The neck of the center bottle fits perfectly in my hand (thumb on top, think artist's palette) to act as a handle, if it weren't so heavy it'd be a great cocktail plate.
Cons : the way to get them to stick together, requires that they be pushed up into bottle shoulder area, so the end tends to slump low enough that it doesn't really hold anything in on that end... which can mean snacks spilling out on your table.
Other Thoughts : I was worried this wouldn't work in terms of bottles with different COE sticking to each other, so I've been sticking to one brand of soda per holder, and it's been great. They over lap just enough to form a good bond. I've even been able to use this for single bottles on their own. Keep meaning to try just 2 next to each other, but haven't had a good chance.