NO LEAKS: Made from high quality materials. A screw lock prevents leaks. , Practical:With a powder compartment so you can freshly prepare the shake while on the move.On the back there is also a measuring scale for accurate filling. , EASY TO CLEAN: The shaker can be easily disassembled and is easy to clean. Dishwasher-safe. , BPA-FREE: The shaker is free from BPA (Bisphenol A). Ingredients: Polypropylen, ,