The Protein Shaker is an ultra-capacity, double-wall insulated sports bottle engineered to mix substantial batches of nutritional powders, meal replacements, and hydration formulas. This high-volume fitness companion utilizes high-grade food-safe 18/8 kitchen steel walls to endure heavy workout use while ensuring your daily supplements remain crisp, fresh, and free from plastic taste degradation.

• Model Number: IS-SHKR-36OZ
• Capacity: 36-Ounce Volumetric Storage
• Speeds: Up to 40 Hours Ice-Cold Thermal Retention
• Materials: 18/8 Food-Grade Stainless Steel, BPA-Free Protective Plastics, Silicone Gaskets
• Dimensions: Tapered Car-Cup Compatible Profile

• Effluent residue prevention: The specialized internal mixing insert ensures this primary Protein Shaker blends dense supplement formulas entirely under fluid friction, saving you from scrubbing dried powder clots.
• Odor and stain protection: Premium kitchen-grade steel lining eliminates the standard organic residue absorption issues typical of legacy plastic bottles, keeping your pre-workouts tasting pure.
• Condensation-free exterior handling: Advanced dual-wall vacuum barriers prevent external moisture condensation, ensuring your grip remains dry and firm during high-intensity workout circuits.