Toys Anti-Bite BallThe anti-bite ball (made for pigs), is a high quality polyurethane and is very durable which helps prevent tail or ear biting and other behavioural problems.Sizes: 55mm or 75mm DonutThis toy donut is for pigs to keep them entertained and distracted from tail-biting and showing aggression.The carabiner must be tightened using a spanner if you want to find it in the same place tomorrow 😁