100% Plastic-Free: Stainless steel and silicone construction. Electropolished 18/8 food-grade stainless steel interior doesn?t retain or impart flavors.
Stainless Steel Cup and Cap: Integrated double-wall construction cup. Twist and pour cap with 360? pour-through design.
360 Pour-Through: Allows for easy, drip-free pouring from any angle.
Internal Thread Design: increases thermal performance.
Finish: formulated for human and environmental health. 4x more durable than previous finishes.