The feeding cup (original) has a sturdy base prevents tipping. Prevent dribbles and spills with the Feeding Cup and Base. The mouthpiece hole will accommodate a drinking straw. The cup is securely positioned with a 130mm (5″) diameter base. Cup holds 237ml (8fl.oz). Made of sturdy polyethylene plastic. Cup and base are sold separately. Institutional dishwasher safe and autoclavable. The feeding cups with long spout and handles are accompanied with 2 spouted lids per cup. One spout is wide and the other is narrow. There are two types of cups to choose from, one with wings (handles) or one without. Each pack contains 2 cups and 4 lids. Also household dishwasher safe.