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.

• Size:
  
• Servings:
  
• Serving Size:
  
• Serving Suggestion: