Most large decorative pots are made from plastic/polyresin (including linear low-density polyethylene) or ceramic; listings in this set specifically mention both plastic (polyresin/LLDPE) and ceramic construction.
Drainage approaches vary: some planters are sold without drainage holes, some include a single drainage hole and a saucer, and others provide a marked spot so you can drill a hole yourself (instructions mention using a 1/4" drill bit).
Common finishes include hand-painted weathered looks and glazed surfaces. Many pots are UV-resistant, and some ceramic options are described as frost- or moisture-resistant for outdoor use.
Most planters list "no assembly required." One listing noted adult assembly (no tools) for a multi-piece set. Optional setup tasks mentioned in the listings include drilling a marked drainage hole if you want active drainage.
Reported soil capacities in these listings include 1.9 gallons and 3.7 gallons. Diameters in the results span a range up to examples such as 20.75" alongside smaller medium pots, based on the available product details.