Meet Stemm, the reusable, unbreakable, silicone wine glass by Porter Green. Unique in the sustainability marketplace. Stemm is foldable, light & portable, odourless & tasteless, dishwasher safe, made from FDA-approved food grade silicone and it is beautiful to drink from. Plus Stemm is safe for use from -20 to +110 degrees centigrade. Did somebody say 'chilled wine'? Presented as a set of two in a gorgeous gift-box, Stemm is the perfect gift for absolutely everyone. The Porter Green message is simple “for the future of our planet and for the sake of our children, grand-children and beyond, we all need to make sustainable choices & choose reusable over single-use every time". Now there is a stylish way to live a sustainable lifestyle.