Mesa Loop with Covered Straw barbie Case and insert are made

Case and insert are made of durable BPA-free plastic

Designed to fit a Simple Modern Porter Bento Box

Internal Threading: First-of-its-kind internal threading design creates a smooth

Lightweight

Leakproof: Comes with Straw Lid and Flip Lid to prevent leaks

Mesa Loop with Covered Straw barbie Case and insert are madeAirflow Relief Valve: Large opening enhances straw drinking experience. Contoured Straw: Made with mouths in mind, a wider opening means easier sipping with minimal effort. Twist In Locking Straw: Zero tilting required. Cupholder Friendly: Both 30oz and 24oz fit most cupholders. Folding Loop Handle: Comfort grip coating. Grab and go with just a finger. Clean Lock Covered Lid: Click the button up down to lock or unlock. Silent Silicone Base: Silicone