The StoraLid Medium was designed to accommodate various widths depending on what kinds and amounts of container lids need to be organized. The StoraLid Medium includes adjustable dividers, 1 long and 4 short dividers . Hope this helps!
The StoraLid Large, Tall comes with 5 adjustable dividers and dimensions are: 10.6" L x 13.4" W x 5.3" T. The amount of lids that can be stored will all depend on the size of the container lids needing to be organized. Hope this helps!