Not all condos are the same size and colour, but all of our condos are designed and manufactured with high quality materials and craftsmanship. Large condo openings have soft faux fur around the edges. The condo interior floor is also covered in the same soft material. All larger condos are designed with a weight support beam inside to support any extra weight of the cat tree. The interior of the cat tree is very cat friendly as the faux fur is glued down to the 3/4 inch pressed board. All condo edges are glued tight, there is no cracks or light coming through the seams.