EconoStim electrodes feature NEW EconoStick hydrogel. The thinner version of Axelgaards world renowned patented MultiStick hydrogel is the first of its kind. EconoSticks advanced scrimless technology combines two hydrogel layers and results in a thinner hydrogel thats stickier to the touch providing superior adhesion.- 2" x 2" (5cm x 5cm) Square, Black Top, 8/pk, 10 pk/bg, 1 bg/cs (To Be DISCONTINUED) 14-21 Days