Material type: Stainless Steel; No. of pieces: 1; Capacity: 1.5L; Colour: Black Insulation type: Double wall; Temperature retention: Yes (Keeps liquid hot/cold upto 18 hrs hot n 24 hrs cold); Leak proof: Yes Best Usage: Office/Picnic/Home 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. Inner wall: SS 304 Grade; Outer wall: SS 201 Grade Double walled vacuum insulated with copper coating for better temperature retention 18 hrs hot n 24 hrs cold Pour spout opens easily with push button ease, making one handed pouring simple