- Versatile Toy for Mouse Enrichment
- available in transparent red or green polycarbonate
- large and small arch openings
- vent holes for increased airflow
- will fit in all standard sized mouse cages
- dimensions: 2 1/2″ x 3 1/4″ x 2 1/4″
OTTO ENVIRONMENTAL EXCLUSIVE! This product can be set on cage floor or clipped to fit standard wire lids.