Shatterproof Wine and Cocktail Glasses. Indoor / Outdoor. Set of 4, 16oz, Dishwasher Safe - 100% Tritan MEASURE YOUR DRINKS according to your day! Whether its a good day, bad day, or a day you don't want to talk about! Great gift idea for miserable family/friends or co workers! (Note: Works best with party poopers) EXTREME DURABILITY - Tough resistance, 100% TRITAN material which will NOT shatter, and is also DISHWASHER SAFE!!! (Note: Hand washing will provide better clarity) EFFICIENCY - Perfect for indoor/outdoor activities, and can be conveniently used for house parties, get together's in the backyard or by the pool, picnics, camping and just about anywhere else! PEACE OF MIND - You will be worry free leaving the glasses with or around your children and pets. Our glasses are also BPA free so no harmful chemicals or ingredients mix in your drinks. You wont have to be concerned about broken glass pieces in unwanted places. VERSATILITY - Our BISAA glasses are made for wine and cocktails BUT can be used for ANY other beverages like smoothies, juices, cold drinks, etc.