Insulated Steel Racing Green

- Double wall vacuum insulation protects temperature for up to 6 hours

- Wide opening and curved bottom makes cleanup that much easier

- 18/8 pro-grade durable stainless steel walls

- Leak-proof. 100% guaranteed by our Smartshake Warranty

- Handwash only

Stay cool all day. Nobody needs a warm protein shake. With this double wall insulated steel shaker from Smartshake, you’ll keep your drink ice cold for up to 6 hours. Inside, you’ll find volume markings in both milliliters and ounces, and a curved bottom that prevents protein powder from sticking and makes cleanup that much easier.