The Protein Shaker is 24oz (700ml) and is made of shatterproof plastic. It is dishwasher safe and easy to clean after exercise. A 316 stainless steel spiral ball moves inside the bottle, pre-moving shaker makes the mixture smooth. The shaker also has an ergonomic flip-top lid that snaps securely shut for shaking and transport (fits most cup holders). It is ideal for protein shakes, smoothies, fiber drinks, and meal replacements.

.: Material: Shatterproof plastic .: One size: 24oz (0.7 l) .: 316 stainless steel spiral ball for smooth mixture .: Ergonomic flip-top lid .: Fits most cup holders