This Monochromatic Stainless Steel Tumbler with Matching Straw is perfect for on-the-go hydration. It features an easy-to-grip handle, a lid that screws open, and a large calibre for easy cleaning and use. It also holds heat for up to 8 hours. The tumbler is made of stainless steel, the lid is made of PS, the handle is made of PP, and the straw is made of PETG. It has a capacity of 40 oz (1200 ml) and measures 3.9*3.0*10.5 in, with a lid diameter of 3.9 in.