400ml stainless steel tumbler, not microwave safe. Brand new, unopened and stored away. I opened it to take photos, and there was a small dent in one place. Please check the photos. This will be shipped via regular mail (non-standard size). Items shipped from the post office cannot be shipped on weekends and holidays. Please note that some items will be packaged in recycled materials and with minimal packaging. - Model Name: Thermo Stainless Tumbler - Capacity: 400 ml - Material: Stainless steel - Precautions: Not microwave safe - Country of Manufacture: China Thank you for viewing.