It’s the easy-to-use tool for beautiful decorated desserts! One hand does it all- elegant shells, stars and leaves, beautiful script messages, pretty bows and flowers. Just press the thumb lever and icing will flow; release lever and icing stops. Changing tips is easy- simply unscrew the cap, insert a new tip and apply coupler onto cylinder. See-through Barrel – You’ll know at a glace how much icing is left! Rotating Cylinder - Place tip in the perfect decorating position with an easy turn. Pull-Out Plunger – Inner ring pushes icing through cylinder. Convenient Thumb Lever – Lets you hold tool and decorate with one hand. Ergonomic Design – Finger-grip barrel is easy to handle in right or left hand.