I received the mattress quickly and in good order. After 25 years of German Shorthaired Pointers (#5 now) we have dealt with many different dog beds. I am impressed by the design components of this mattress. The fabric is great, the zipper placement is very effective, the nylon bottom is a great idea. Although the cost is higher than many other beds, if it can stand the test of time, it will be very cost efficient. The best result: Sam loves it! Enough said.