PS pets kennel 1.waterpoof pet house made by polystyrene 2.Comfortable home for pets 3.UV resistant,durable Why use PS to make the pet house?Polystyrene is a newly and enviromental material, it can replace the wood, in this way it can protect our forest and earth.however, what features PS owns, let's see below:1. Owns the good texture as tradition wood,nice apperance, long lifetime.2. Green ...