Pour shampoo right out of a 5-gallon container can be tricky, so make it easy by using the Bio-Groom Plastic Dispensing 5-Gallon Shampoo Pump! This pump easily attaches to almost any 5-gallon shampoo container for hassle-free dispensing every time. It’s made from durable, easy-to-clean plastic and measures 12-inch length by 4-4/5-inch width by 2-inch height!