Made of Pure Food Grade 304 Stainless Steel, which won't Rust & is 100% lead free and toxin free. With Nlife Mixing Balls , you don't need to buy another expensive protein shaker.
NEVER lose time again searching for a protein shake mixer ball!

• Material: 304 Stainless Steel
• Size : 45mm X 55mm (1.77"X 2.17")
• Easy to use and make the nutrition dissolved more totally and quickly
• Ideal for protein shakes, health shakes, meal replacements, or any mixture of liquid and powder
• Guaranteed Service: With a full one-year limited warranty and a 120-day replacement guarantee. Worthwhile! Buy Now!

Material: 304 Stainless SteelNlife