Eco-friendly & Odorless: This wine glasses are made of food-grade silicone, non-toxic, no chemical reaction and odorless, eco-friendly, reusable Easy To Clean: Our silicone wine cup made of great silicone, cleaning them is a breeze, Freezer and Dishwasher Safe, Totally rubber wine glasses better than disposable plastic cups. Collapsible & Portable : Soft silicone wine glasses, Collapsible wine glasses, small size make it easy to carry