Personalized multifunction cleaning brush set is suitable for keyboard, headphone, screen cleaning. Feature includes high-density fiber soft bristles, deep cleaning without damaging the keyboard headphones. Made of ABS. Different quantity may match different prices. All the data are based on the size of 5.63″ x 1.73″x 1.10″. If you need another size, contact me in details first please. Your own business logo is also available on it. Attention to the quantity, if it is over 2000, it would be shipped by ocean. Be online at any times and looking forward to your messages.