Features:Made of plastic material, and metal on the bottom, small, easy to carry.Battery Holder Converter: Convert size AA battery to D size battery.Easy to use, just stick the AA battery in the converter and it's the same as a D Size battery.They are also used as protector cases for your AA batteries, keep dry to store your batteries.Specifications:Color: ClearSize: 32mm x 59mm / 1.26 inch x 2.32 inch(D*L)Material: Plastic, MetalType: AA size battery to D size batteryPackage Content:4 Pcs x Battery Adapter.
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