Removable,Light weight and easy to assemble. Portable , easy to feed and well ventilated. Suitable for spiders, lizards, climbing pets, Dutch pigs, African mini hedgehogs, etc. Using high-quality acrylic materials, which is higher than the average glass, and it will not block the majority of UVB, which is more convenient to use. Specification: Material: Acrylic Size: Approx. 30 x 20cm / 11.81 x 7.87 x 7.87inches Package Includes: 1 piece Reptile feeding box.(7 boards +19 rubber bands) Note: The size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to different color light, the display under the picture, will cause different color difference problem. You receive the product with a double - sided protective film,tear off the protective film before assembly,assemble the picture and fasten it with a rubber ring.