Size: 50mm; Firebird 50 BIO Targets are the world's first completely biodegradable detonating target; 50 BIO Targets are self-contained, pyrotechnic reactive targets; Easy to transport; Firebird 50BIOs are designed to be used at short, medium and longer ranges; They can be used as static targets or on a moving trajectory; Sound, smoke, and flash giving you instant hit recognition (IHR); Firebird targets are used to train private individuals and tactical personnel across the globe; Size: 0.8275" x 6.4" x 8.525"; 0.6 lbs weight