Review on Ultimate Durability: KISEER Stainless Shatterproof Unbreakable Restaurant Ware by Rob Clark

These stainless steel cups are a great replacement for plastic cups. No weird taste, no risk of getting toxins into your drinks, they're dishwasher safe, stackable and help keep your drinks cold or hot. I hope to replace all my regular glasses with these as they are shatterproof and I like to take them outside. I just wish they would have made them bigger