It does not damage the machine and can effectively remove static electricity in a timely manner. Suitable for organizing machines, interior detailing, air vents, computer, gaming keyboard, and hard to touch space. The structure of the Cleaning Brush is simple, and the volume is small, and the weight is lightweight, making it convenient to install and maintain. Features -Color:Assorted Color -Material:PP and nylon -Size:11.50X2.10X1.80cm/4.52X0.83X0.71in -Size:11.20X2.20X0.40cm/4.40X0.86X0.16in -Size:5.30X1.20X0.40cm/2.08X0.47X0.16in -Size:5.20X1.60X0.40cm/2.04X0.63X0.16in -Size:4.70X2.80X0.40cm/1.85X1.10X0.16in -Size:4.00X1.70X0.40cm/1.57X0.67X0.16in -Size:3.90X1.90X0.40cm/1.53X0.75X0.16in -Size:3.40X1.90X0.40cm/1.34X0.75X0.16in -Note: There are 8 kinds of specifications. -Its compact size makes it convenient to store and carry in your desk drawer. -Does not easily damage the device and hard hair that is convenient for cleaning small gaps such as keyboards. -It's lightweight and easy to carry and store. can take it wherever you want. - material with ergonomic handle design, durable and practical. Mini size is suitable for home use as well as travel use. -This product can be given as a gift to your friends and family. They will be very happy. Package list: 48 x Cleaning