There are 15 packs in 5 colors in one pack, the colors are: blue silver, rose red silver, magic bronze, green bronze, wine red silver The mylar cat toys crinkle balls are lightweight, they are 2.36inch width, big enough to carry in a cats mouth and light enough for tiny kitten to bit around and chase. Craft with PET colored paper in handmade, soft and lightweight, won?¡¥ t hurt your bare feet of kitten. Crinkle ball has a reflective metallic surface similar to aluminum foil very attractive for cat. Safe Size&Crisp voice:Their sensitive ears will pick up the crinkly sound the ball makes every time they play and pounce on it. Perfect crinkle balls toy for cats to learn how to play fetch. We promise that if you have any questions about our products, we will provide you with high-quality customer service within 24 hours, and 100% guarantee your satisfaction. And our products are provided quickly and reliably by Amazon.