Useful for individuals who have difficulty chewing sucking or swallowing. Can be used during oral motor treatment sessions to improve drinking skills. A tube extends from the bottom of the bottle out through the screw cap. It helps control placement and amount of liquid intake and will accommodate any lip closure. Bottle is graduated in ounces and milliliters to aid in dispensing measured amounts of liquid. Holds 8 oz. (237 ml). Tube is 1/8 (.32 cm) inside diameter and extends 10 (25 cm) through the cap.