ABOUT THIS PRODUCT100% pure cotton canvasDesigned on contemporary basis for the best usage of any outdoor purpose like travelling, adventure, trekking, camping etc.Our specially designed two step process for car mount makes daaham as easiest option to mount or demount for any car ( except Sedan cars and cars without Boot open option).Daaham is Very safe, healthier and keeps water cool unlike plastic bottles which releases dangerous BPA which may lead to cancer.