Professional Version: Monarch butterfly habitat is more square, sits upright, doesn't wobble or move, polyester bottom for easier cleaning. Includes a quick start guide for raising butterflies. Clear vinyl window panel gives students and families an unforgettable opportunity to watch caterpillars transform into chrysalises and then emerge as beautiful monarch, painted lady, or black swallowtail butterflies. Foldable design for easy storage and reusable, unfolded measures: 24 x 15.7 x 15.7 inches. Long and wide, raise up to 40 caterpillars at a time in one enclosure. A newly emerged butterfly's wings won't risk being damaged when trying to right itself. Mesh for great airflow. Mesh enclosure is soft and breathable, so you know your caterpillars will be safe and comfortable throughout their stay. Side-opening door - never disturb chrysalises on the top of the cage. Large zipper opening for easily feeding your butterflies and then releasing them into the wild. Butterflies will often land on little hands and faces before flying away.