The Original Buchsteiner MixMaster Shaker®, our feature-packed SiS-branded Protein Shaker is a convenient and portable leakproof sports bottle designed for the easy mixing and drinking of SiS powdered drinks supplements.

Whether you have one or a few, our SiS Protein Shaker is your most convenient companion for fuelling, rebuilding and recovering after intense exercise. Leave one at home and throw one in your gym bag because our shaker is leakproof to ensure no mess is made while mixing or storing water or milk-based fluids. It also has an integrated spout in the screw-top lid for easy drinking directly after mixing.

The shaker bottle has a patented mesh insert proven to mix powders with ease without leaving you with lumpy fluid, plus it has an integrated measuring scale on the side of the bottle to help with mixing accurate amounts so you can ensure to get the right macro-nutrients.

Manufactured by German company, Buchsteiner, the instantly recognisable MixMaster Shaker is made from the highest quality ingredients and is used by athletes the world over.

Features

• The Original Buchsteiner MixMaster Shaker®
• Large 700ml capacity
• Secure screw-top lid
• Incorporated drinking spout for convenient drinking
• 100% leakproof
• Integrated measuring scale for accurate dispensing
• Mesh insert for effective mixing
• Easy to clean
• Dishwasher safe
• Used worldwide by athletes