The Stainless Carry Tumbler is vacuum insulated to keep your drinks hot or cold, keeping the exterior from getting hot, or minimizing condensation. Its one-piece, screw-off lid with handle is gasket-free, and the stainless steel interior is SlickSteel polished for easy cleaning. This handy tumbler is your perfect sidekick as you conquer your goals! Stainless steel vacuum insulated construction with superior heat and cold retention, leak-proof, gasket-free, one-piece lid is easy to clean and prevents the loss of parts (When used properly according to the instruction manual).