It is made of high-selected material, which can be used for a long time. Though this lovely sewing machine shape U disk, it's so practical when you use it. You can send this lovely U disk to your families and friends as a gift, they will be happy. Features - Color: Green. - Material: Silicone. - Size: About 5.90X5.50X3.00cm/2.32X2.16X1.18inch. - This sewing machine shape U disk is made of for long time and durable use. - material is full of texture and taste. - Also can be a good gift choice for your family members, lover, they will like it very much. - This adorable shape U disk is lightweight for easy and convenient to carry and store. - The sewing machine shape cover protects the memory stick from damage. Specification Speed: high-speed reading and writing Interface: USB interface, no drive required, plug and play, can be hot plug Boot: Support USB ZIP/ boot. Data preservation: data is preserved for at least 10 years Times of erasing: more than 1,000,000 erasable times Applicable models: PCs of various trademarks and compatible for computers, Macintosh, , or iBook. Power source: USB bus power supply (4.5V~5.5V) Working current: <50mA Working temperature: between 0 degree centigrade~60 degree centigrade Storage temperature: between -20 degree centigrade~85 degree centigrade Package list: 1 x U disk