From Holland & Barrett
This Stainless Steel Shaker is a lightweight, strong and durable shaker that holds a capacity of 750ml. Perfect for protein shakes or super greens, Tri Active offers an easy to measure shaker that's equipped with visible ml™ markings on the outside and inside.This shaker has a secure screw-top lid and is made up of a single stainless-steel layer.Shaker is not double insulated.