I’m not the person you asked, but I use microchip-based feeders for my cats and the company also sells microchip doors. I’ve been pretty happy with the feeders, but haven’t had any reason to try the doors.

https://www.surepetcare.com/en-us/pet-doors/microchip-pet-door

Not quite. I was shopping for running shoes a while back and learned that generally, a women’s wide is the same width as a men’s standard. I think a women’s standard is usually called a B width, and the women’s wide and men’s standard would be a D width. Some brands do make other slight differences between the men’s shoe and the women’s shoe, so the swap might not always be 1 to 1, and some brands do unisex sizing, so there’s no difference in width for men’s vs. women’s.

I remember reading something a while ago that said the rubber backed mats should never go in the dryer, and while I forget the exact reason, it wasn’t just because the dryer damages the mat. Searching online, it looks like the rubber can also damage the dryer and poses an increased fire risk.