This sturdy strongsoft dog mattress has a waterproof inner coating making it the ideal choice if your dogs bed sees a lot of use in all weathers you can even use this dog bed outdoors without worrying that a short shower will soak it through the cover is made from extra strong material with a teflon coating which makes it very robust scratchproof and easy to keep clean the mattress is made from non toxic materials certified by the german ko tex 100 standard the patented zip position