Skip Hop Zoo Straw Drinker Bee

There is an air hole on the lids of plastic and stainless steel water bottles to prevent air pressure and bad odor. When the water bowls are turned upside down, they can leak through this air hole.

this is a usual situation. The product cover must definitely be washed separately and by hand, as washing the product covers in the dishwasher can damage the product cover and prevent its use.