The Pet Life 'Hounda Accordion' Metal Framed Soft-Folding Collapsible Dual-Sided Expandable Pet Dog Crate is specially engineered with 3 times the lounging space. This soft folding crate features dual-sided zippers that zip open and expand on both sides like an accordion for a roomy triple lounging area experience with comfortable and breathable Sherpa-like removable resting pads that Velcro in place on each side. Both accordion-like expandable sided mesh structures feature zippers for additional pet placement. The Hounda Accordion pet crate is composed of a Durable Nylon Exo-Shell and Premium breathable mesh with a Medium-weight sturdy metallic frame that completely folds, collapses and buckles closed into place and locks into place when opened. SIZING DIMENSIONS: (INCHES) LxWxH: SIDES CLOSED: XS: 19 x 14 x 14, SM: 23 x 16 x 16, MD: 27 x 21 x 21, LG: 32 x 23 x 23, XL: 35 x 24 x 24. SIDES OPENED: XS: 19 x 35 x 14, SM: 23 x 39 x 16, MD: 27 x 55 x 21, LG: 32 x 62 x 23, XL: 35 x 67 x 24.