Dimensions of the outside of the dog bed are. I can make these dog beds in any size, shape or colour you desire. You can have them with or without the studs, any fabric and there is also a choice of beautiful chrome legs. When choosing bed size, measure from forehead to the attachment of the tail of your dog - internal dimensions of bed should correspond to your dog.If you would like to provide your own fabric to cover the dog bed, message me with your requirements and i can quote you a price. These dog beds are made to order, the standard processing time is 4 to 6 weeks, but if you need it in a hurry, please message me and i'll see what i can do. This item is made of sheet timber, memory foam, cristina marrone lustro crushed velvet and wadding.