Dry Cleaning?!?!?!?!?

I want this blanket from jcp.com Heres the link http://www5.jcpenney.com/jcp/X6E.aspx?DeptID=59474&CatID=60551&GrpTyp=ENS&ItemID=14c4a4a&attrtype=&attrvalue=&CmCatId=59474|59488|60551 ....MY QUESTION IS.....well it says to dry clean it but i have pets going on and off my bed and would need to wash it often maybe 1 every week or 2 and i couldnt afford to get it dry cleaned every time cuz i hear that cost alot for a queen size blanket so...what would happen if i wash it and dryed it in the washing/drying machine???