20cm x 20cm
There is a protective film inside and outside of the enclosure. Unsure to remove both before use.
What It Says On The Box:
A much improved design compared to similar products we have stocked and is one of the most popular Terrariums used by Tarantula keepers though suitable for housing and displaying most Invertebrate and Arachnid species. They are lightweight and made from crystal clear polycarbonate to allow for optimum viewing. The lids are have a strong mesh centre for ventilation and are secured by magnets.