The slider is a small USB that consist of a plastic drive and a metallic finish. The metal casing slide out of position when the drive is needed, making it perfect for many situations Material: Metal Dimension: 4.2 x 1.6 x 0.5cm Color(s): Black, Blue, Red Carton Packing: 32.00 cm x 24.00 cm x 24.00 cm Qty Per Carton: 100 Carton Weight: 3.00 kg