Evike Matrix Match Grade 6mm Airsoft BB - Glow-in-the-Dark Tracer Rounds Glows in the dark when exposed to light such as with Tracer Magazines, Tracer Hopups, or other Tracer products. (Glow will be weaker without these products) Manufactured & designed in Japan & Taiwan; Not the Chinese made low quality bb that are inconsistent Highest Rating in Accuracy, Grouping, & Range; Minimal Jamming Designed to be used with all FPS ranges, Matrix BBs are less prone to chipping, chopping, or shattering even in high FPS / high pressure situations Please select from the options below before adding to cart! (Packaging, sticker, and bag shape may vary based on production and size option but BBs are the same)