- THERMALOCK vacuum insulation maintains cold temperatures up to 12 hours, improving the taste of post-workout shakes
- Screw-top leak-proof lid for mess-free shaking and mixing on the go
- Rounded bottom and weighted ball for superior mixing and easier cleaning
- Volume markings on inside and outside of bottle ensure accurate recipe measurements
- Comfortable built-in handle for easy carrying; fits most cup holders
- Top-rack dishwasher-safe lid and ball; hand-wash-only body