Good quality, made of food-grade silicone, non-toxic, odorless, and harmless. 
It can also be washed in a dishwasher, which is easy to clean.
The collapsible bowl has a climbing buckle that can be buckled on the side of the backpack and anywhere else.
For different pets, the bowl can be unfolded to different levels, two or three layers.
Indoor and outdoor use. Suitable for any outdoor activities such as mountaineering, hiking, going for a walk, traveling.