- Set of 2 exercise balls for hamsters, each with a 12 cm diameter, perfect for rodents such as hamsters, rats, or gerbils. - High-quality transparent plastic, odorless and non-toxic, ensuring the product's safety and durability. - Specially designed ventilation for constant airflow, preventing your pet from overheating. - Single-sided opening with secure closure, making it easy for the animal to enter and exit while preventing accidental escapes. - Versatile use: suitable for rolling on the floor, hanging in the cage, or using independently. - Promotes physical exercise, reduces stress and boredom, and contributes to the rodent's overall health. - Simple assembly and easy cleaning, ideal for daily maintenance. - Recommended for indoor and outdoor use, adapting to different play environments.