Amazon Basics Foldable Octagonal Metal Exercise Dog Playpen - Indoor/Outdoor, No Door, Extra Small (8 Panels, 24 x 24), Easy to assemble, store, and customize, 24" - Puppy, Black

Indoor/outdoor portable 24-inch play and exercise pen for dogs up to 16 inches tall

Made of durable iron metal with rust-proof black finish

8 connected panels, each measuring 24 by 24 inches; creates 16-square-foot enclosure

Sets up in seconds; simply unfold, shape, and connect―no tools required; folds flat for compact storage

Includes 4 thumb clips for connecting and 8 corner stabilizers