Calibrated to deliver! Handy-Hook attaches to any water glass. Hooks on the edge of any drinking glass. Calibrated in ml and tsp. This specially designed 2 tsp. Medicine Spoon is calibrated to deliver an accurate volume of medication every time! The Handy Hook allows you to fill the spoon with medication and hook it to the edge of any glass of water or juice while preparing the medication for administration. Top-rack dishwasher safe. www.apothecaryproducts.com. Made in USA.