Blender Bottle Mix Smooth, Lump-Free Drinks On The Go! Shaker Cup with a Powder and Pills Container. China Design Patent # 2007 30129247.4Blender Ball Function Patent # 2008 20166124.7Powder Container Function Patent # 2010 20103477.XShaker Cup with a Powder and Pills Container!!!Stay-open flip capExtra wide mouthBlender ball mixer insideThe screw on lid, without rubber seal and free leak ...