4Knines Dog Seat Cover Without Hammock for Cars, SUVs, and Small Trucks - Heavy Duty, Non Slip, Waterproof (Black)

They have another model with hammock that sates it is free of heavy metals and other such horror's, is the material in this also free of toxins?

Can carseats be installed via the Latch system with the seat cover in place?

does the back seat seat cover have openings for seatbelts?

I have leather seats. will the rubber backing melt or damage my leather? i live in hot florida as well. thanks