Catch bugs and butterflies, observe through the net, learn about insect life cycles. Fine breathable mesh for good airflow to keep critters safe. Large zipper opening for easy feed your butterflies, then release them into the wild. Compact collapsible design folds almost flat, will fit into backpack and is ideal for field work. Perfect for butterfly, moths, mantises, wasps, or other flying insects. Specification: Material: Mesh Size S:Approx.30x30x30 cm/11.81x11.81x11.81 inch Size M:Approx.35x35x60 cm/13.78x13.78x23.62 inch Package Includes: 2 piece insect breeding box Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item.