Guaranty for not Cracking edges Heavy gauge Weight 2230 Kg set stainless steel Glass Jug Tray With Laser Flower printing Its 100 food grade stainless steel b p a less toxin less and dishwasher safe Perfect for Water Juices Cold Drinks lemon drinks tea coffee milk DISHWASHER SAFEThese stainless steel glasses are completely oven and dishwasher safe