The spherical plug fits in the midst of the inside of the lid to seal it, the square stopper matches inside the straw gap, after which you can the straw topper keeps it capped if you're not sipping. Sensible! When furnishing a small bathroom or powder room, look for multipurpose https://look-whos-talking-dog-toy40128.ivasdesign.com/53719256/getting-my-xbox-elite-series-2-accessories-to-work