A premuim quality German manufactured Buchsteiner One On.co.uk shaker bottle, ideal for mixing up all your favourite One On.co.uk products. Screw top plus internal filter. Our shakers can take up to 0.7L & are clearly labelled for accurate measures. Our shaker bottles are leak proof! Free shaker with every order over £75 or those buying 5 or more of our Whey Protein Max