Trek Tumbler 188 - Insulated Stainless Steel Water Bottle for Hiking, Camping & Travel - Leakproof & BPA-Free - Keeps Drinks Hot/Cold for 24 Hours

Cupholder Friendly: Tapered shape with handle makes it the ideal cup -- Take Us With You wherever you go.
Leak Resistant: Comes with straw lid to prevent spills.
Double Wall Insulation: Keeps beverages hot or cold for hours.