Extra Large Size Play pen: The playpen( Gray-WITHOUT MAT) size is 59*59*27inch,it about the size of a full-size bed, it can accommodate two or three babies and several adults. The playpen gives your little one a lot of space to play, crawl, walk, etc, and never feels like he is 'caged' up or bored. Parents can lie down with your children or go about your own business without having to keep an eye on them all the time