Most of the Orthopedic beds are designed with a layer of waterproof or water-resistant to prevent coincidences from damaging (odor and bacteria) inner cushion. Bed covers are removable and washable, so it is easy to maintain.
There is simple advice for you on how to wash thick orthopedic dog bed when washing the covers I recommend a good detergent with antibacterial ingredients.
Set the temperature of your washing machine to cold or warm and your dryer on low heat (or line dry). The reason for the manual washing/drying this is so you can avoid as much shrinkage as possible. Many cover depreciation makes it hard to get back cushion and still maintain the natural shape of this bed.
You may be wondering how much this will cost? Although there is quite a range of prices, there are some surprisingly affordable dog beds of this type.
Depending on the size of the dog, you can begin to find the type of bed as low as $ 35.00 (maybe even a bit lower if you walk in the sale or discount) and up to approximately $ 200.00. Your final cost will be determined by the size, features, and brand. See various stores online or offline that provide affordable dog beds.