591 ml. Ready for life. For hot or cold beverages. Insulated to hold temperature. Strong, one-piece construction. Friday night pizza party - it's on. Dishwasher disaster - no problem. From block parties to birthday celebrations, clean-up is easy. Be ready for every occasion with high quality, affordable plates, bowls and cups from Simply Done. The contents of this bag are plastic No. 6 polystyrene (PS). This bag is made from plastic No. 4 low density polyethylene (LDPE). www.besimplydone.com. Quality Guarantee: If you are not 100% satisfied, return our product for a full refund. Made in USA.