Metallic Purple make your package more attractive and beautiful. Metallic finish,wear proof,moisture proof,waterproof and moisture resistant. Four layers of bubble protection, get your package safely to your destination. Metallic finish,people can't see what's inside. Outer Size 6x10 / Inner Size 6x9 Hot melt adhesive strip,strong viscosity,once bonded,can only be destructive to open it,improve your package security.