Menda HDPE take-along durastatic bottles are dissipative and are designed to protect your valuable static sensitive printed circuitry and embossed with ESD protective symbol. it has no migratory additives reduces the chance for contamination from the bottle. - It has take-along one-touch pump there is an opening in the center of the dish to allow the fluid to seep back down into the bottle and genuine Menda dish type liquid dispenser pumps and bottle.