Large 25cm Ball - Suitable for rats, ferrets and other small pets needing extra space to exercise safely. Extra Strong Design - Made from durable materials to withstand active use by energetic small animals. Safe Exercise - Allows pets to explore and exercise outside their cage in a secure, controlled way. Bright Blue Colour - Colourful and transparent design for easy pet visibility during play. Hours of Fun - Keeps pets active, stimulated and healthy with rolling exercise and mental enrichment.