Cleaning Gel Features: SAFE TO USE: The multi-purpose cleaning gel is non-toxic and biodegradable, NOT STICKY TO HAND, totally no stimulation to skin. EASY TO USE: You just press down this cleaning jelly and roll across your keyboard. It is squishy but does not leave any wet residue at all. REUSABLE: This Cleaning putty does not require cleaning and can be used several times until the color turns dark. Multiple Uses: This cleaning gel can be used to pull the dirt/dust out of electronics and music gear, rings, watches, earrings, pins, home drawers, door knobs, air vents, window sills, kitchen appliances, remote controls, telephones, DVD players, CD players, games consoles, entertainment speakers, fans etc. It picks up like 90% of the dust the first time. Weight: 160g NOTE: 1.Do not use with WET hands please. 2.Keep away from direct sunlight and keep DRY, please store inside hermetic bags. 3.Please keep away from children.