Come and see our amazing products. This cup is professional protein shaker cup, made of Tritan plastic, BPA-free, phthalate-free.The screw in lid can form a leak proof seal, and the top has an adjustable buckle for easy carrying.Come with stirring ball and wide mouth makes it easy to add mix scoops and liquids.The spiral spring in high quality stainless steel can mix protein powders and exercise supplements ensuring a smooth shake.Get your daily dose of protein at the gym, at work, or wherever your bustling lifestyle takes you.Multi color for choice.Custom logo is welcome. Pls confirm with us about the packing info, stock color and exact production time before placing your order.