2024 Cascadia Bed Size Chart. Bed and mattress sizes chart for mattresses us consumers purchase, and also those in the uk and australia. The size a sleepdog® or bigdawg™ mattress measures 36 inches by 80 inches while the size b measures 39 inches by 89 inches, either of which should fit perfectly in a freightliner truck.
42” wide x 80” long, size c Here is what these mattress sizes mean to you.