1 ounce snow cone syrup pumps allows syrup to be pumped from gallon jugs in 1 oz increments with 1 full stroke. It is easy to screw  on and off the gallon bottle.  The pump can be taken apart easily for cleaning.  They are made with FDA approved Resins. The spring and metal ball are made of stainless steel.  A rubber dust cap can be used to cover the tip end of the pump to keep out insects and dust.