Drinco – 20 oz Stainless Steel Tumbler | Double Walled Vacuum Insulated Mug With Lid, 2 Straws, For Hot & Cold Drinks (20oz Ombre Fuschia Teal, 20oz). ✅ PREMIUM QUALITY STAINLESS STEEL: The Drinco travel tumbler with straw has been constructed with a sturdy stainless steel body a material lauded for its durability.