Come and see our amazing products. 316 surgical-grade stainless steel ball found only in shaker cups mixes as you shake. Measurements markings go to 28 ounces. Dishwasher safe, BPA- and phthalate-free; made of stain and odor resistant durable Eastman Triton plastic. Twist-on Cap seals with a quick quarter turn for a worry-free seal; Backed by leak proof guarantee. Custom logo is welcomed! Pls confirm with us about the packing info, stock color and exact production time before placing your order.