Sol uses hand blown glass. It has a sleek and sexy design, It is lightweight and best of all is made from naturally abundant materials – namely sand – and is far less permeable than plastics. Meaning their hand blown glass won’t absorb residual tastes, odours or germs, and won’t leach chemicals into your beverage. As a result, SoL Cups offer purity of taste. Your drink is fresher and cleaner, and you’ll have zero concerns for your health. SoL is strong, lightweight and 100% plastic free, as well as being microwave and dishwasher safe.