WineTanium Unbreakable Pilsner 24 oz Beer Glasses - 100% Tritan - Shatterproof, Reusable, Dishwasher Safe - Set of 4 Shatterproof, unbreakable glasses &ndash; perfect for parties, pools, picnics and boats Made of BPA-free Tritan to keep harmful chemicals out of your beer Top-rack dishwasher safe - no hand washing needed! Crystal-clear to showcase the clarity and color of your beer, just like a high-end beer glass