Shanghai Fly Sky Crafts and Gifts Co., Ltd.  

Product Name: Double Wall Stainless Steel Drinking Water Bottle Tumbler Travel Sport with Handle Mug Material: Stainless Steel Color: Blue Certification: CE / EU, FDA Trademark: Customized Transport Package: Box/ Carton Specification: 6.3*20.5cm /400 ml Origin: China Product Description Both inner and outer are stainless steel 304 /18/8 ( others may only inner SUS 304, outerSUS 201)Copper coating- Prolong the bottle to keep warm and coldFree samples could be sent for your evaluation.Item#double wall stainless steel bottleSize6.3*20.5cmCapacity400ml / 13ozMaterialboth inner and outer SUS304 /18/8Inner CoatingCopper coating