Add Yahoo as a preferred source to see more of our stories on Google. water bottles on a shelf - Cristina Oller Real/Getty Images We may receive a commission on purchases made from links. Are you ...

Add Yahoo as a preferred source to see more of our stories on Google. Water bottles. You'd think one would be enough, but somehow, they seem to multiply. There's the trendy Stanley cup you get at ...

In addition to the lids, some collars have a small insert that appears to keep ice in the bottle when used without a lid.