1.Reliable and quality material: these rubber coated flashlights adopt aluminum alloy as material, and their surface is covered with silica gel ,reticulated non-slip leather design,which can provide a comfortable grip. 2.Portable and Convenient: Small pocket-sized nail lamp suitable to place in your pockets, car, desk drawer, and backpack, very compact and lightweight enough, easy to use. Perfect for daily carry. 3.Easy to use, just press the button switch ; They are powered by batteries .Please remove the battery when not in use for a long time.