The Battery Storage Organizer Case and Battery Tester, Holds 110 Batteries Various Sizes for AAA, AA, 9V, C, D and Button BatteryBattery Storage Organizer Case - Keep Batteries Neatly Arranged Battery Organizer made of durable ABS plastic, its durable and sturdy, simple and easy to use. 2 in 1 perfect suit, come with battery storage case and tester..