This set of 4-14-ounce, flexible  glasses are made from BPA-free polymer and are both reusable and recyclable (you can also put them in the top rack of your dishwasher, too)! Plus, they can be used for anything, not just cocktails or scotch on the rocks.  

TIP OF THE TONGUE

The thumb groove is a  brilliant solution for all indoor and outdoor entertaining! Functional and convenient, without sacrificing elegance... Now that's a win-win.