This 40 oz stainless steel tumbler features a color-changing iridescent design, updated handle, and straw. It retains heat for up to 8 hours and is easy to clean, making it perfect for on-the-go hydration with a customizable touch. Capacity - 40 oz (1200 ml). Size - 3.9*3.0*10.5 in. Lid diameter - 3.9 in.