Professional Version: This Monarch butterfly habitat features a more squared design, standing upright without wobbling. The polyester base makes cleaning a breeze. Includes a quick-start guide for butterfly rearing. Clear Vinyl Window Panel: Provides an unforgettable opportunity for students and families to watch caterpillars transform into chrysalises and emerge as beautiful Monarch, Painted Lady, or Black Swallowtail butterflies. Foldable Design: Easy to store and reuse. When unfolded, it measures 24 x 15.7 x 15.7 inches. Its height and width allow for rearing up to 40 caterpillars at once in a safe enclosure. Newly emerged butterflies have ample space to spread their wings without damage. Mesh Panels: Ensure excellent air circulation. The fine mesh enclosure is soft and breathable, keeping your caterpillars safe and comfortable throughout their development. Side Opening Door: Never disturb chrysalises on the top of the enclosure. The large zipper opening allows for easy feeding and release of your butterflies into the wild. Butterflies often land on small hands and faces before flying away.