With a scratch-free non-slip base, a tri-mode flow-control lid, and a condensation-resistant powder coating, the CamelBak Tumbler is designed for your convenience. It features stainless steel construction with copper vacuum insulation, keeping beverages hot or cold longer. The tumbler's tapered design provides a comfortable grip and is perfectly sized to fit most car cup holders. Material: 18/8 grade stainless steel. Ergonomic tapered design. Hand-wash only. Decoration Method: Laser Engraved