Product category: mixing cupMaterial: stainless steel + plasticFunction: stirringStructure: single layerPacking: cartonPackaging specifications: 11.5*8.7cmWeight: 0.35Color: black, red, yellow, green, blueCapacity: 350mlATTENTION:1.Please preparing 2 pcs 7# battery yourself. 2.MUST pouring water first when using ,or it will be difficult to be stirred . 3.Cleaning it ASAP after using ,AVOIDING wet the battery bin.