Material safety is of the utmost importance. 24oz double stainless steel water bottle. It is made of environmentally friendly stainless steel and the cover does bpa free. It is designed to be wide-mouth and can be matched to different covers. The bottle is easy to carry out. Unlike other water bottles,Website:http://www.lovingbottle.com, this product is powder coated to give you a firm grip.LEAKPROOF SPOUT LID: This insulated stainless steel water bottle comes with an innovative, leakproof, spout lid that allows for easy one-handed drinking or pouring.