The Double Wall Vacuum Insulated Walls Give You A Worry Free Mind Knowing Your Beverages Are Kept Icy Cold Or Piping Hot For Hours. Made Of Lightweight 18/8 Food Grade Stainless Steel That Is Non Leaching And Will Not Retain Taste Or Odor. The Double Wall Technology Prevents Condensation On The Outside For Those Hot Sunny Days While Keeping The Heat Within The Inner Wall So You Don*t Have To Worry About Burning Your Hand While Holding Your Mug.The Camp Mug Is The Perfect Addition To Your Camping Gear As You Can Fill It Up With Your Cowboy Coffee In The Morning And Then Enjoy A Nice Hot Cider By The Fire At The End Of The Night. The Easy Grip Handle Makes It Convenient For You To Hold While Enjoying The Mountain View. The Double Wall Vacuum Insulated Technology Ensures Your Hot Beverage Will Stay Piping Hot And Your Cold Beverages Will Stay Icy Cold Until The Next Refill. It Can Also Double As A Food Mug To Eat Your Favorite Campfire Chili Out Of After A Long Day Of Hiking. The Camp Mug Includes A Splash Proof Pressure Fit Slide Lid. It Has A Silicone Ring To Ensure A Snug Fit To The Inner Wall Of The Mug Retaining The Beverages* Ideal Temperature. Both The Silicone Ring And Slide Are Removable For Proper Cleaning.