Definition of «portable playpens»

In simple terms, "portable playpens" are small and easily movable enclosed spaces, usually made for children to play safely in.

If so, the Zampa portable playpen for dogs is a must - have! (caninejournal.com)
The cushion fits into any standard portable playpen to create an integrated bumper and mattress pad system. (becomingmothers.com)
By 1987, when Nate Saint developed the first Pack N» Play portable playpens, Graco had become a household name. (bestcarseathub.com)
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