Ideal For All Toy & Air Guns. High Quality 6Mm Bb Bullets. A+ Grade 6Mm Plastic BB Bullets For Toy Guns & Air Gun For Kids Color: Yellow Bullets. (Color May Vary). Use Under Parental Guidance! Please Don't Shoot At Humans Or Animals. The BB bullets are made of distinct yellow color which ensures you won t lose them. The bullets are made of superior plastic material which won t break during use and won t damage your gun during fire. These bullets are used with a BB gun which is extremely fun to play with.