Made high quality polycarbonate material. Shatter proof and also, comes with a protective sleeve.The protector sleeve provided helps in providing non-slip surface and also prevents heat damage and breakage during accidental drops. Designed to specially carry green tea. Also, comes with a straw to sip your tea on the go. Compact design, yet comes with a large storage capacity of 550ml, which makes it highly portable. Leak proof cap allows the bottle to be carried everywhere without worries of liquid spill. Large spout helps for easy access to the drinks.