16 Oz Wooden Coated Drinkware Stainless Steel Thermos Bottle Warmer Water Bottle Vacuum Cup Insulated Drinking Watercup/ Mug Material: Doublewall stainless steel inside & Plastic+ Stainless steel outside Food grade material, BPA free Thermos vacuum insulation technology for maximum temperature retention, hot or cold; Double Wall Can Keep Hot & Cold about 4-8 Hours Size: approx 8.5X20 CM ;16 OZ Color : Wooden coated effect( Friendly Tip: Not genuine Wooden)