- Removable Vortex Mixing Insert
- Wide Opening for Ingredients
- Easy to Clean
- Dishwasher Safe
100% Leak-Proof and has raised measurement indicators. Built with a sleek design with ergonomic side grips, heavy-duty, high-density plastic. International Protein Shaker also fits easily into your gym bag and car cup holders (base is 3 inches in diameter). A Great Shaker for your Perfect Shake and dishwasher-friendly.