Specifications : Introducing Seren, your go-to tumbler for all-day hydration! This 900ml stainless steel tumbler keeps your beverages hot or cold for hours, perfect for coffee, tea, or iced drinks. Complete with leak-proof lids and straws, Seren combines durability with style for the ultimate sipping experience. Stay refreshed wherever you go with Seren. Stainless steel, BPA-free (eco-friendly) Stainless steel straw with cleaner 2 way lid, sip or gulp 24 hours cold, 12 hours hot Double-wall vacuum insulation Handy Design Car cup holder friendly Size : As picture shows