Made of food-grade silicone, this collapsible cup is easy to clean, non-toxic, odorless, non-staining, durable, flexible and reusable. The collapsible design is easy to carry w/you wherever you go. Large 12 Oz. capacity and suitable for both hot and cold drinks. Fits well in your pocket when flat, or your purse, backpack, suitcase and etc. It's perfect for both home and outdoor use. It comes in assorted bright colors making it ideal promotional gift with your LOGO. 3 1/2" W x 4 7/8" H