Our Forever Bottles are used to mix Soap2o HydroPods with water to create a gallon of luxurious foaming hand soap. Eliminate single-plastic waste and always have full dispensers when using the Soap2o Forever Bottles to top-off and refill your dispensers. Material(s): Plastic; Color(s): Black; Interior Volume Capacity: 1 gal; For Use With: SOAP2O Hydro Pods.