Bulk Powder Samples (5 Lbs. Only) This is the perfect way to sample our larger Bulk Powders before purchasing a full box. For more information on our Bulk Powders (powder descriptions, data sheets, etc.), click here: Bulk Powders IMPORTANT: These powders are sold in 5 lb. increments. The number that you enter in the quantity box is the number of 5 Lb. bags you will receive (2 quantity is 10 lbs., 5 quantity is 25 lbs., etc.). ...