Mesa Loop with Covered Straw for-bottles Durable: Microwave Safe

Durable: Microwave Safe

BPA Free & Durable: Food safe and avoids cracks

Versatile: Turn your Summit water bottle into a tumbler

keeping your drink at the same temperature for even longer

Mesa Loop with Covered Straw for-bottles Durable: Microwave SafeAirflow 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