Portronics presents a 2 in 1 tumbler with a medicine case. The tumbler has the capacity of hold up to 450 ml of water. With the macron style medicine case on the top of the lid is lets you carry and store medicines safely and is a great way to carry the medicines on the go. It is made from PP material and it is as clear and bright as if it is made up of glass. The silicon lid fits inside the tumbler to make it leak proof. It comes with a hand strap so that it can be carried around easily. The PolypropyleneI (PP) material used for making the tumbler is absolutely BPA free and is a very good variant of resin with excellent properties such as electrical and chemical resistance at higher temperature. It also possesses good resistance to humidity, acid and alkali corrosion and insolubility. With PP material used, no residual smell of the liquid remains in the tumbler. The temperature range of the tumbler is below 900 C and is freezer safe.