304 Stainless steel tumbling media is rust and corrosion resistant and able to stand up to strong compounds. Using a Stainless steel media is important to avoid rust and works great for wet tumbling. The abrasion resistance of Stainless steel media is 3-5 times greater compared to cast steel media. Stainless steel media can be used over and over as long as it is stored properly. After using, strain in a fine mesh Strainer and lay out the pieces on a dry towel. Pat dry with another towel and let them air dry in a dry sunny area before storing. Some customers prefer to keep them stored completely submerged in water. Either way they will provide you with many uses.This is the small sized media mix that everyone wants for jewelryMix Includes 25% each of the following:1/8" Stainless Steel Diagonals1/8" Stainless Steel Balcones1/8" Stainless Steel Balls0.047" Diameter by 0.255" Length Pin Media