ITEM NAME:Durable Plastic Single Slot D Cell Battery Holder Connector Box Storage Case Description: - Electricity battery holder/connector box for physical teaching/experiments/test - Fits single D sized battery - Strong, lightweight and durable - Easy installation - Simple DIY recharge power supply Specification: - Material: Plastic - Size: Approx. 10.2 x 3.6 x 4.5 cm/4 x 1.4 x 1.8 inch - Color: Yellow Package Included: 1 Piece Battery Holder Box Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!.1 Piece Battery Holder Box. - Fits single D sized battery. - Strong, lightweight and durable. - Material: Plastic.