This bottle is easy to clean and maintain, Use a mild detergent or dish wash liquid and clean on the inside with `y of the bottle brush • This Bottle has leak proof technology with unique shape, which make this product easy to carry at school and work, it is Odour Free and 100% Food Grade. FREE BPA and polished bottle mouth ensure safety when you drink. Single layer wall stainless steel water bottle is non-insulated. Normal Steel bottle & it will NOT preserve any Hot or Cold temperature with a flip cap bottle of 1200ml