Blackube Electric Protein Shaker Bottles - 24 Oz Rechargeable Vortex Mixer Cup Bpa Free Made With Tritan For Making Protein ShakesMore Features 1 Unique Diamond cutting Design 2 Magnetic charging - Novel, convenient and Safe 3 Waterproof IPX5 4 cleaning Steps: 1) Please prepare neutral detergent or water 2) Add adequate amount of liquid forementio..