The Hydro Flask® Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way. Strong ergonomic handle. Color Last™ powder coat is durable, sweat-free and colorful. Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer. BPA-Free.