The Thermos® 32oz Alta Canteen is a lightweight, single-wall BPA-free Tritan™ water bottle designed for active everyday hydration. Tritan™ construction is shatter-resistant, odor-resistant, and impact-resistant — built for daily carry, the gym, hiking, and outdoor use. The wide-mouth opening makes filling and cleaning easy. Dishwasher safe — top rack only. Important: This is a single-wall bottle — it is not insulated and will not maintain drink temperature. For a vacuum-insulated bottle, see the Icon™ Series stainless steel water bottles . Specifications: 32oz capacity | Single-wall BPA-free Tritan™ | Not insulated | Lightweight and shatter-resistant | Wide-mouth opening | Dishwasher safe — top rack only | BPA-free Shop all Thermos® drinkware or view best sellers .