Put a floating rubber duck in your teacup with the RSVP Just Ducky Floating Tea Infuser. Fill the 18/8 stainless steel mesh infuser with loose tea. Place the duck tea infuser in your tea cup and let him float around in the hot water until the desired brew strength has been achieved. Lift the rubber duck out of your tea cup and put him into his drip cup. Overall size of tea infuser is 2-Inch diameter when resting in the drip cup. Hand washing is recommended.