Introducing the Repti Viv PRO! A modern reptile terrarium that ships flat to allow for safe shipping worldwide! The Repti-Viv Pro comes in two sizes, 11in x 12.5in x 18in and 15in x 17in x 24in. Weird sizes? Not really. These are specifically designed to fit on bakers racks. So our Medium Viv will fit 4 per shelf and our Large Viv will fit 3 per shelf. NO MORE WASTED SPACE!