It has food bowl holders built-in. This enables 0.5oz plastic condiment cups to be easily used for your gecko's food, as well as a small place for a calcium lick  or water dish. Hide lifts open for easy access. 
 
Hatchling- 4" long x 3" wide x 3" tall
Medium- "6 long X 4" wide X 4" tall
Large- 8" long x 6"wide x 6" tall