It is made of TPE, collapsible dog bowls are great pet travel bowls, lightweight, and easy to carry with climbing buckle. It can attach to a belt loop, backpack, leash, or other locations. Suitable for outdoor activities. They also can be used as indoor pet food bowls. Convenient collapsible design for saving space, simply stretch and fold away, which are good for traveling, hiking, camping. This price includes shipping cost to ca. Qty over 5000pcs by the ocean! 100% guarantee for quality. Rush service is available. Thanks for your inquiry.