F&T Canine Classics 45"W x 30"D x 24"H Insulated Divider Whelping Dog House F&T Upload New 5mm stretch neoprene and are 5mm stretch neoprene and are expandable up to 16" of additional room in the torso and more room in thigh areas for added comfort and maneuverability 2 white LED modules that are dual walk lights for you and all of your buddies to walk with and red and green LED modules which can be turned on separately or together to create amber but may look out of place a bit if you get a new truck of a different color or if you change locations of the dog houses in the future a rubber door flap and a hinged lid to make cleaning easy