Gulp

Material: Stainless steel; Leak Proof: Yes; Retain temperature: Yes; Double walled Vacuum insulated technology keeps beverages hot or cold for long hours, Inner copper coating for better temperature retention
This reusable water bottle is made from 304 Grade stainless steel, leak proof, durable, unbreakable, rust proof. Fill the bottle completely to maintain the temperature and not use for carbonated drinks. Pre-condition bottle with hot water if using for HOT beverage and cold water if using for COLD.