Individual grains vary slightly in buoyancy, to allow a bait to be either critically balanced or popped up, depending upon the size and quantity of grains used. As a guide, 1 grain will just pop up 2 real grains of corn on a size 10 specimen type hook.
It is available in yellow, orange, red and black, 10 grains per pack . One grain of Pop-up corn with one real grain on the hair and another real grain on a size 10 Super Specialist hook.