Roylco Foam Paint Bottles pump up rich, colorful foam paint. Simply add ordinary dish soap and paint to the cute, kid-sized bottles (a little goes a long way) and screw on the included dispensing pump. Press down to create beautiful colored froth. These bottles hold up to 8 ounces, but is best used when filled with 6 ounces. Set includes 3 clear dispensing bottles measuring 3-1/2 x 5 inches and guide.