Fabulous way to add height to your plant collection and a mid century vibe to your home. In store we sit plant pots with a slightly larger diameter on top of the ring or you can place the pot inside the ring as pictured. 

Medium : H/W/D CM: 47/24/24  Internal Diameter CM: 15

Large : H/W/D cm: 60/26/26 Internal Diameter CM: 16.5