DOUBLE WALL VACUUM INSULATED TECHNOLOGY: This tumbler can keep beverages cold for up to 24 hours and keep hot for at least 6 hours. FITS MOST CUP HOLDERS NO SWEAT DESIGN: Makes for a secure grip with no condensation. Keeps fingers dry and prevent frostbite. You won’t need a coaster. SPLASH PROOF LID: Put anywhere as you want and no worry to wet your place. Product Description Tumbler Set Includes - 30oz tumbler - Upgrade lid [Free] - stainless steel straw [Free] - straw cleaning brush [Free] Why not choose ones as teachers', Mother's and Father's Day gifts, his-and-hers gifts, Birthday gifts or Christmas gifts? Splash Proof Lid Makes for a secure grip with no condensation. Wide Mouth Design The large, wide mouth opening allows easy access to the stainless steel surface, helping you keep every inch washed. However, we do NOT advise you to wash it with dishwasher Cup Holder Friendly They'll fit in almost any cup holder on cars, boats, chairs, etc. Tips: The Spliced Prints is inevitable due to the craft problem. But so many people are obsessed with leopard print. We are trying to reduce this defect and make the tumbler with a print more beautiful. Please don’t buy if you mind the lines on the tumblers.