SIPs are called City Pickers (Home Depot) or Patio Pickers (Lowe's). The cost is the same, $29. They are roughly the size of two Earthboxes/Grow Boxes/Growums.
Assembled dimension: 24.25 in. W x 20.25 in. D x 9.5 in. H
Self-contained watering system holds up to 2 gal. and has drainage holes to prevent over watering. Aeration screen helps provide the proper amount of air to plant roots. Mulch cover helps eliminate weeds and conserve water. Casters allow for easy movement. Made from UV-protected resin.