Sultan Hultsvik is a private label, house brand of innerspring mattresses made for and sold exclusively at Ikea furniture stores. It features individually pocketed coils (484 queen) and memory foam. 25 year limited warranty.
2 3/8" Memory Foam
Active-Response Coils - individually wrapped
25 year limited warranty
Sultan mattresses come with 25 year limited warranty, but there is little explanation about what exactly it covers. With the amount of coils this mattress has it will probably not maintain its feel and comfort for longer than 8-10 years.