Package include Step 1 Coarse Grit; Step 2 Medium Grit; Step 3 Pre-Polish;Step 4 Final Polish,A small spoon in step 3 bottle, 1 Bottle Plastic Pellets,1 Bottle Ceramic Filler Media, Total 4.5 Pounds. 
Tips: The different weights and densities, will mean that jars will not have equal amounts of fullness. 
Material: Step 1 Grit，Step 2 Grit，Step 3 Grit are Silicon Carbide，Step 4 is Aluminum Oxide,Plastic Pellets are resistant polypropylene,Ceramic Filler Media is High alumina porcelain. 
Plastic Pellets and Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches 
Universal Rock tumbler grit Kit, compatible with all rock tumblers.If you don’t get the satisfactory polished stones or there is anything else you are dissatisfied with, please contact us by E-mail, and within 24 hours, we will do our best to satisfy you or give you a full refund while you don’t need to return the product.