Early Riser™ Lid

Not your ordinary lid. Whether you're sipping it hot or cold, this quality constructed lid offers optimal flow and a perfect drinking experience. It's also made with ThermaGrid™ waffle insulation to keep your drinks at optimal temperature. Compatible with tumbler and cup and works with reusable straws up to 8mm in diameter. Benefits Made with ThermaGrid™ waffle insulation to help preserve your drink at optimal temperature Compatible with Vacuum Tumbler, Pint, and Camp Cup Accommodates reusable straws up to 8mm in diameter BPA-free and phthalate-free Dishwasher safe Patent pending Lifetime warranty  Specs Straw Compatibility: .315" (8mm) Outside Diameter: 3.5" Opening Diameter: 3.15" Width: 2.7" Height: .93" Weight: 2.5 oz