Shoes that can’t be thrown in the dryer, can not buy a bedbug heater. Need to start wearing them again.

I left a possible bedbug infestation yesterday but brought my shoes back- all in a plastic bag tied up. I saw 2 during my time at my parents home but have plenty of bites to show.

I disinfected my shoes with isopropyl alcohol and inspected carefully before throwing it in a bag. I have a small portable steam cleaner and was thinking vacuuming the steaming will allow me to have peace of mind? None of my shoes can be thrown in the dryer without the material melting.