The 40oz Alta Tritan™ Water Bottle from Thermos® is a lightweight, BPA-free single-wall plastic water bottle designed for active everyday use. Tritan™ is shatter-resistant, odor-resistant, and impact-resistant — built to handle drops, backpacks, and daily carry without the weight of a stainless bottle. Wide-mouth opening for easy filling and cleaning. Dishwasher safe — top rack only. Important: This is a single-wall plastic bottle — it is not insulated and will not maintain drink temperature. For temperature retention, see the Icon™ Series vacuum-insulated water bottles . Specifications: 40oz 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 .