My endurance shaker cup is perfect for use with your my endurance recovery shake or any sports drink or shake making it great to take on the go this convenient shaker cup from my endurance is fitted with an lsquoanti lumprsquo grid ensuring you are provided with a well blended smooth shake ndash anytime of day my endurance shaker cup uses the highest quality materials to create this durable drinks cup featuring an air tight lid to prevent leakages making it safe to throw into any g