Material type: Stainless Steel; No. of pieces: 1; Capacity: 900 ml; Colour: Black Insulation type: Double wall; Temperature retention: Yes (Keeps liquid hot/cold upto 14 hrs hot n 18 hrs cold); Leak proof: Yes Best Usage: Office/School/College/Gym/Picnic/Home, Handle with Care - Yes Warranty: 1 Year; Covered in warranty: This product is under one year warranty from the date of retail purchase against any manufacturing defects in material and workmanship. Warranty valid against producing original bill endorsed by the seller.1 year warranty on manufacturing defect; Not covered in warranty: The warranty does not cover damages resulting from accidents, mishandling or tampering with mechanism. Double walled vacuum insulated with copper coating for better temperature retention Easy sip cap Asthetically appealing colour and finish Easy to carry, Easy to Pour