Walmart has the TrustyPup Dog and Cat Food Storage + Bowl Bag on clearance for $7 with free shipping (no minimum) with Walmart+ (30-day free trial) or on $35+.

Cinch bag body holds up to 12 cups (2.8 liters) of dry kibble or treats and zip-off bowl holds up to 5 cups (1.2 liters) of food or liquid.