Color: White Material: Biodegradable materials Compatibility: All 6mm Airsoft guns and replicas Manufacturer: Umarex / Elite Force More About Elite Force/Umarex and Why Amped Airsoft Carries these brands: "Since 1972 Umarex has created a world of adventure for sport shooters, recreational shooters and hunters. Its high-performance, high quality models permit training under highly realistic conditions."