NFL Trek Tumbler color_WP-WIW Leak-Proof: Interchangeable Straw and Chug

Leak-Proof: Interchangeable Straw and Chug Lids prevent spills and leaks when in the closed position

Adjustable straps for easy use

The shaker lid twists on the cup and is compatible with all Classic tumblers

Eco-Friendly: The state-of-the-art BPA-Free Tritan material is durable and lightweight made for everyday convenience

Two Mugs: 12oz mugs are double-walled and thread onto thermos bottle

NFL Trek Tumbler color_WP-WIW Leak-Proof: Interchangeable Straw and ChugCupholder Friendly: Tapered shape makes it the ideal cup Take Us With You wherever you go. Leakproof: Comes with flip lid to prevent spills. Also includes two straws. Double Wall Insulation: Keeps beverages hot or cold for hours. Pat Pat Pend.