Optimum Nutrition have teamed up with SMARTSHAKE to provide the reforced steel shaker 900ml. It is made from food grade stainless steel complete with a powder coating and silicone bottom to survive any situation. It also boasts a shock absorbing rubber cap and easy to carry loop handle. In addition both the mixing net and flip to cap snap into place making this shaker 100% leak proof. The reforce is BPA/DEHP FREE, handwash only and recyclable.