ALEKO DK-61-BL Octagon Pet Playpen Exercise Kennel, Blue, 57" L x 24" H Can be used for training, as a kennel or for other purposes both indoors and outdoors These lightweight pens are fully collapsible when folded flat, they measure less than 2 inches tall Can be placed in the included carry bag for storage or transport Pens are fully pre-assembled and can be setup or taken down in seconds no tools are required Pack includes zippered doors, attachable floor cover, carrying case, portable and lightweight