General description Colorful yarn balls designed for interactive play, these cat toys feature built-in bells that produce a pleasant sound when rolled. They are ideal for keeping cats entertained and engaged, helping to strengthen the bond between pets and their owners. Technical specifications Diameter: 9 cm Weight: 45.6 g Material: Wool, Iron Usage Encourages exercise and playfulness in cats. Helps in brushing cats' teeth when they chew on the soft ball.