1. Gently remove dust & erase smudges from delicate equipment without leaving residue. 2. Perfect for cleaning digital SLR, SLR, digital camera lens, binocular lens, and telescope lens, filters, musical instruments, computers, keyboards, etc. 3. Soft and elastic, able to blow away the surface dirt easily. 4. Metal nozzle with inlet-valve . 5. Natural and environmentally friendly and non-toxic. 6. Light weight, small and handy
