Most listings show rectangular, round, and square shapes.
Drainage varies by model: some have no drainage holes, others include a single drainage hole, some use a water‑permeable base, and a few feature inner planter holes plus larger outer drainage holes for overflow.
Both. Some listings are marked indoor‑only, others are designed for outdoor use, and many models are described as suitable for both indoor and outdoor settings.
Requirements vary: some planters need adult assembly but no tools, others include tools or require basic hand tools, and a number of models arrive fully assembled with no user assembly needed.
Weights in the listings range from around 2 pounds for lightweight polypropylene/plastic planters up to about 18 pounds for larger metal garden beds.