Some outdoor exercise pens are designed with very high walls or fencing on the top - these might be... MORE permanent fixtures that are appropriate for unsupervised use.
Not exact matches
But first, keep in mind, a puppy play
pen isn't a replacement for the
outdoor exercise your puppy needs on a daily basis.
If you are planning on letting your pet explore the great
outdoors for some sunshine and fresh air, it is best to supervise him while using an
exercise pen, lawn enclosure, or extension hutch.
Another way to give a fuzzy some
outdoor exercise is to set up a ferret playpen or
exercise pen.
Recommended confinement includes confinement in a securely fenced yard or
pen of adequate size, or house confinement with
outdoor exercise.
In between his many daily
exercise and training sessions, Squid is either parked in an
exercise pen in the barn tack room (with plenty of bathroom breaks outside), or in an
outdoor kennel off the side of the training center.