Wool Balls for Cat Toy 6 Pieces Felt 3.8cm Eco White Product Description: SABIO ANIMALES natural wool balls are the perfect toy for any cat that loves to hunt, play and explore. The set contains 6 soft felt balls with a diameter of 3.8 cm, made of ecological, natural wool, which is completely safe for pets. Thanks to their quiet design, the balls don't make any noise while playing, making them perfect for use at home — even at night.