Measurements:
The cage measures approximately 3" L x 2" W.
Available ring inner diameters: 1.9", 2.1", 2.2", and 2.3".

Materials: Constructed from ABS Plastic, Iron, and Copper.

Color: Available in Black.

Key Features:

Breathable design.
Includes four gradually sized base rings.
The cage can be locked using either the internal metal lock or a plastic keyholder tag.
Package includes the internal lock, two keys, a locking pin, and five keyholder tags.
Nickel-free materials.