Shake things up with Ice Shaker's® 36oz. Shaker! Invested in by Mark Cuban and created and used by the Gronkowski Brothers and athletes everywhere, the 36oz. Shaker is a high-quality, double wall insulated protein shaker bottle that will keep your drink cold for 40 hours!

• Keeps drinks ice-cold for 40 hours
• Keeps drinks hot up to 12 hours
• Handle built into lid for easy carrying
• Leak proof, BPA-free, kitchen-grade stainless steel

Fits in cupholders so you can take it anywhere!