These durable individual plastic d-cell battery holders can be quickly and easily snapped together to form either parallel or series connections. They can be used individually or configured in parallel or series via the interlocking tabs located on the and sides. Features - Color: Blue. - Material: Plastic - Size: 8x2.6x3.5cm - These durable individual plastic d-cell battery holders can be quickly and easily snapped together to form either parallel or series connections. - They can be used individually or configured in parallel or series via the interlocking tabs located on the and sides. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand Thank you