30 oz 

Insulated tumbler with handle is constructed with double-wall vacuum insulation and premium 18/8 food grade stainless steel, BPA-free, keeping beverages cool for over 20 hours, and hot for up to 10 hours, no matter the climate or conditions.

Leak-Proof Flip Straw Lid: Metalya 30 oz travel tumbler features a foldable sipper nozzle for spill-proof and leak-proof sipping, it's 100% leak-proof when snap it shut. Also allows for convenient one-handed use, whenever or wherever you are, you could drink as long as you like.