Measurements:
Small Witch hat: dwarf hamster, leopard gecko, mouse, ball python, corn snake, frog.
Diameter: 1.6 inches (4.2 cm)
Height: 1.2 inches (3 cm).

Medium Witch hat: rat, hamster, sugar glider,
hedgehog, bearded dragon, gerbil.
Diameter: 2.4 inches (6.5 cm)
Height: 1.6 inches (4.8 cm).

Large Witch hat: guinea pig, chinchilla, ferret.
Diameter: 3.2 inches (8.5 cm)
Height: 2.0 inches (5.5 cm)