SOLID and SMOOTH- Balls are made from solid plastic which makes them more long-lasting toy, smooth surface has small holes. Very easy and fast rolling will make your cat more excited and interested. COLORFUL and JINGLY- Mixed bright colors and 8 different designs in one box will not make you bored when you play with your cat, every ball has a small jingle bell or beads inside which makes this toy more attractive than just a plastic ball. MORE than ENOUGH- 45 Chiwava Plastic Balls in one box, what can be better if your little fella likes to hide his toys everywhere. You can give it to play one by one, or all together to have more fun. ROLLING and CHASING- Chiwava Plastic Balls are great for both interactive or independent play, they have a lightweight so its easy to roll it and chase. This toy will be useful for active cats who likes to run and play whole day. CAT and KITTEN- Chiwava Plastic ball set has a mixed sizes and lightweight so can be used for adult cats and kittens.