About The Product :- Materia type: Stainless Steel; No. of pieces: 1; Capacity: 350 ML; Colour: Silver; Insulation type: Double wall; Temperature retention: Yes (Keeps liquid hot/cold upto 4 - 6 Hours); Leak proof: Yes Best Usage: Gym, Sports, School, Outdoors Warranty: 1 year; Not covered in warranty: The warranty does not cover damages resulting from accidents, mishandling or tampering with the mechanism. Fabricated inside and outside in 18/8 quality stainless steel; its tough and durable. Pre-condition bottle with hot water if using for hot beverage and cold water if using for cold beverage; Use Mild Soap for cleaning the Flask and advised to be kept open when not in use to avoid odor