Safe canvas exterior and paw friendly design - The outer canvas material is chosen to be gentle on paws while providing a durable playing surface. Sound making toys to attract attention - Each ball contains small stones that create a natural sound when shaken or colliding, helping to grab your pet's interest during play. Lightweight and easy to handle - These balls are super lightweight, making it easy for most pets to chase, flip, roll, and carry them around for extended play sessions. Includes 4 balls for varied play - The set includes 4 balls to encourage erratic rolling and diverse play patterns, keeping your pet engaged longer. Key attributes - Material: canvas outside with internal stones for sound - Function: safe, paw friendly toy that promotes activity and interaction - Size: lightweight and easy for pets to pick up and move - Contents: 4 balls per pack for multi-ball play 2-3 use scenarios - Indoor exercise and entertainment: toss a ball for your pet to chase, flip, and carry, providing physical activity and mental stimulation during daily play. - Training and retrieval: use the sound to attract attention, roll the ball to encourage chasing, and reward with a second play opportunity to reinforce retrieval behavior. - Multi-pet or family play: with four balls, multiple pets can chase and interact simultaneously, offering varied play and reducing downtime.