Ecoart Silicone Collapsible Travel Cup for Outdoor Camping and Hiking (1 Pack) Portable - Portable collapsible cup fits well in your purse, pocket, backpack, suitcase and takes up no space. Great for camping trip, hiking, travel, train trip, picnic and sport events Super Compact - Weighs 1.5 oz. Only 0.6" (1.8cm) in thickness when collapsed (Designed without lid) Convenient & Versatile - Dishwasher and microwave safe. Suitable for coffee, tea, cold drinks, and other hot beverages Food-grade Material - This folding drinking cup is made from 100% reusable food-grade silicone. FDA approved and BPA free Size & Volume - Size: 3.2" (8.3cm) in diameter and 2.8" (7cm) in height when expanded. Volume: 5 oz (150ml)