The 75th Regiment Army Ranger Tumbler is a 20 oz double wall 18/8 stainless steel thermal bottle with a powder coated finish that protects against chips and scratches. Vacuum insulation keeps drinks cold 24hr, hot 12hr. Comes with a lid.
 
Crafted with our high quality, food grade 18/8 stainless steel (Type 304 Food Grade). This material is commonly found in professional kitchens; utilized for its non-porous nature for resistance against bacteria, mold and lingering odors. The 18% chromium and 8% nickel composition makes it less likely to rust or corrode.