Upgrade your shaker bottle game with these heavy-duty stainless steel shaker balls, engineered for superior mixing performance. Crafted from food-grade 304 stainless steel, these shaker balls are non-toxic, rust-resistant, BPA-free, and dishwasher safe for effortless cleaning. At 2 inches wide and 1.85 inches tall, these large-sized mixing balls are designed to tackle even the thickest protein shakes, milkshakes, and powdered drink mixes with ease. What truly sets these apart is their impressive 1.8mm wire thickness — nearly double the 1mm found in standard shaker balls — delivering significantly better mixing power while maintaining their shape shake after shake. No more clumps, no more bending out of shape. Each pack includes 4 shaker balls, so you'll always have a spare ready to go. Compatible with most shaker bottles, these are the ideal upgrade for fitness enthusiasts who demand smooth, lump-free drinks every time.