From increasing your protein intake to daily hydration, the Simple Modern Rally Protein Shaker bottle will keep your beverages hot or cold for hours with the double-wall insulated stainless steel. Easily measure your protein powder to water ratio with interior measurement lines and mix it up with the wire agitator. The twist-on lid is leakproof when closed and can be opened single handed. The cupholder friendly base and carry loop on the lid makes this protein shaker ready for life on the go.