American Flag Fire Red Shaker BottleAMERICAN FLAG SHAKER BOTTLE WITH PROBLEND TECHNOLOGY MADE IN AMERICA USA made from USA sourced materials, our shaker bottles utilize kinetic based mixing elements that blend against the flow of material and provide a more effective and smoother blend than shakers with free moving mixing elements that only flow with the material. With a 27 oz capacity and leak proof design, you just found your go to protein mixer. 100% USA made from the highest