Optimal Insulation Technology that will hold your drink at the temperature you filled the tumbler cup with, for a long period of time.The Blackout Coffee Tumbler is the perfect choice to enjoy your favorite beverage at home, office, event or on the go. Allows for 20 oz of liquids to help you stay hydrated throughout the day or night.Engineered with premium food safe 18/8 stainless steel and double wall vacuum insulated design, that keeps your hot coffee steaming and your cold drinks like ice for many hours. Due to it’s incredible technology it won’t transfer the temperature to the exterior wall, allowing comfortable handling.What’s a great tumbler bottle without a great closure?To pair with our outstanding travel tumbler we added a durable, clear, safe, tight fitted and spill resistant sliding lid, to storage and help keep your drink insulated even longer.Blackout Coffee Tumbler Mug Specs:Double Wall Vacuum Insulated18/8 (304) Stainless Steel ConstructionSweat Free DesignHeavy Duty Clear LidTight Fitted Spill Resistant Sliding Lid Blackout Coffee Tumbler Features:Keeps Your Hands DryKeeps Liquids Ice Cold For Up to 24 HoursKeeps Liquids Hot For Up to 8 HoursFits Most Cup HoldersBPA Free & Eco-Friendly Laser Engraved Blackout Coffee Skull Logo on One SideLaser Engraved 1776 WE THE PEOPLE Logo on the Other Side   *For best results, hand wash with soap, water and a scratch-free sponge. Towel dry immediately to help preserve decoration. Do not soak or use cleaning materials (bleach, chlorine, etc.) and DO NOT put in dishwasher, freezer or microwave.