1,plastic coffee mixer is made of ABS,stainless steel 2,use at home or travel 3,stainless steel coffee mixer is light weight Detailed Product Description1,plastic coffee mixer is made of ABS,stainless steel 2,use at home or travel 3,stainless steel coffee mixer is light weight. 1,made of ABS,stainless steel2,AA battery, use at home or travel.3,light weight,easy to handle