FIT IN ALL CUP HOLDER & 40OZ BIG CAPACITY: The narrow base design coffee mug fit in all standard car cup holder, complete leak proof travel tumbler with straw bring more safe & joy to you driving. 2-IN-1 LID COMPLETELY LEAK PROOF: 40 oz insulated tumbler with straw & coffee cup lid, provide different drinking experience. Straw lid for small sips, flip lid for fast water pouring! The travel mug lid is absolutely leak-resistance, prevent unexpected accidents through your commute! COLD IN 36H & HOT IN 12H: 40 oz coffee tumbler is insulated with triple-layer vacuum insulation to keep your drink cold in 36H & hot in 12H, keeping you hydrated for ONE DAY WITH FEWER REFILLS. DURABLE STAINLESS STEEL & NON-SLIP POWDER COATING: Metal tumbler cups made of kitchen grade 18/8 stainless steel, guarantee BPA free, odorless and long lasting. The multi-layer exterior coating of 40 oz water bottle against slipping, cracking and fading. PROTECTIVE WATER BOTTLE BOOT & ON-THE-GO HANDLE: The travel c