Product Name: Outdoor Water Cup Aluminum Alloy Size: Diameter 7.1x Height 7.8cm Material: 5052 aluminum alloy Weight: 60G, including packaging 100G Paper box specifications: 8.8 * 8.6 * 8.6CM Capacity: 300ml Box size: 47 * 36 * 54cm Packing quantity: 120PCS Whole box weight: 11.9KG The material of the water cup is 5052 aluminum alloy, and the process is hard alumina. The sier water cup is ordinary alumina, and the black water cup is hard alumina. The handle is made of stainless steel, and the entire set of water cups has no coating. The material is food grade and can be heated for use.