Meet your new go to shaker. This premium 600ml FITAID shaker is built for performance, with a durable Tritan body, a secure lockable lid, and a smooth push button open for quick sips between sets. The stainless steel mixing ball ensures lump free shakes every time, while the sleek all black design keeps it clean, minimal, and unmistakably FITAID. Durable, leakproof, and ready for whatever your training throws at it.