It is portable enough to fit easily into any bag to suit your daily cleaning needs and can be used at home or in the office For teachers, students, office workers, artists and photographers who use clean and care digital devices Made of ABS and nylon material, this reusable cleaning is environmentally friendly, effectively maintaining valuable electronics while reducing waste 21 in 1 electronic cleaning keeps your electronics clean and maintains the performance of your laptop, smartphone, camera lens, etc This cleaning set includes precision brushes of various shapes and hardnesses to thoroughly clean hard-to-reach areas that are not exposed to surfaces