Double-layer Design Multifunction: Enables to hold 300 ml (10.15 oz) of water and 180 ml (6.08 oz) of food at the same time, meeting the amount commonly used by pets on the go. And the two parts are detachable, each part can be cleaned separately. Double Leak-proof Design: The water bottle's silicone seal and one-touch lock/open design, don't worry about getting your backpack or bag wet. Easy to Use: You only have to operate with one hand, press and hold the button to add water, release that is to stop the water, don't need an extra bowl. Easy to Carry: The water bottle comes with a lanyard and the right bottle size makes it easy to carry or put in your bag, perfect for walking, Hiking, traveling and daily use. High Quality Food Safe Material: This water bottle is made of high quality food grade materials, BPA-free, lead-free, safe and durable, high temperature resistant.